20 Worst Airlines in the World: Carriers to Avoid for Safe and Comfortable Travel

Air travel has become an integral part of modern life, connecting people and places across the globe. While many airlines strive to provide excellent service, some fall short of passenger expectations.

A comprehensive analysis of airline performance reveals the 20 worst carriers worldwide based on factors like delays, cancellations, lost baggage, and customer complaints.

This ranking offers valuable insights for travelers seeking to make informed decisions about their flight choices and avoid potential frustrations during their journeys.

1. Air India

Air India, the flag carrier of India, has faced significant criticism for its service quality and operational issues. Passengers frequently report delayed flights, poor onboard amenities, and subpar customer service.

The airline’s aging fleet has contributed to mechanical problems and cancellations. Many travelers complain about outdated interiors and malfunctioning in-flight entertainment systems.

Air India’s booking and check-in processes have been described as inefficient and time-consuming. Long queues at airport counters and website glitches have frustrated customers attempting to manage their reservations.

Food quality on Air India flights has been a common source of dissatisfaction. Passengers have reported unappetizing meals and limited options, particularly on long-haul routes.

The airline’s baggage handling has also come under scrutiny, with reports of lost or damaged luggage. This has led to inconvenience for travelers and additional stress during their journeys.

2. Pakistan International Airlines

Pakistan International Airlines (PIA) has faced numerous challenges in recent years. Safety concerns have plagued the airline, with multiple incidents and accidents tarnishing its reputation.

PIA has struggled with financial difficulties, leading to aging aircraft and maintenance issues. This has resulted in frequent flight delays and cancellations, frustrating passengers and damaging the airline’s reliability.

Customer service complaints are common, with travelers reporting unprofessional staff and poor onboard experiences. The airline’s dated amenities and lack of modern entertainment systems have also contributed to passenger dissatisfaction.

International sanctions and flight bans have further limited PIA’s operations, reducing its global reach. These restrictions have stemmed from safety and regulatory compliance issues.

Despite efforts to improve, PIA continues to face significant hurdles in meeting international aviation standards and passenger expectations.

3. Nepal Airlines

Nepal Airlines, the flag carrier of Nepal, faces numerous challenges that impact its service quality and reputation. Safety concerns have plagued the airline, with several incidents and accidents reported over the years.

The carrier struggles with an aging fleet, leading to frequent delays and cancellations. This unreliability frustrates passengers and damages the airline’s credibility.

Nepal Airlines also grapples with financial difficulties, limiting its ability to invest in improvements. The company’s outdated technology and infrastructure further contribute to operational inefficiencies.

Customer service issues are common, with passengers reporting poor communication during disruptions. The airline’s limited route network restricts travel options for its customers.

These factors combined place Nepal Airlines among the less favorable choices for air travel in the region.

4. Sudan Airways

Sudan Airways, the national carrier of Sudan, has faced numerous challenges over the years. The airline’s aging fleet and limited route network have contributed to its poor reputation among travelers.

Safety concerns have plagued Sudan Airways, with several incidents and accidents reported in its history. These issues have led to operational restrictions and bans from certain airspaces.

Financial difficulties have further hindered the airline’s ability to modernize and improve its services. Frequent delays and cancellations have become commonplace, frustrating passengers and damaging the carrier’s reliability.

Customer service at Sudan Airways often falls short of international standards. Passengers have reported issues with lost luggage, poor communication, and inadequate in-flight amenities.

The airline’s limited international connections and outdated booking systems make it a less attractive option for travelers. These factors have contributed to Sudan Airways’ position among the lowest-rated airlines globally.

5. TAM Airlines

TAM Airlines, now part of LATAM Airlines Group, has faced criticism for its service quality and reliability. Passengers have reported issues with flight delays and cancellations, causing significant inconvenience to travelers.

The airline’s customer service has been a frequent source of complaints. Travelers have expressed frustration with long wait times and difficulty in obtaining assistance for booking changes or refunds.

Onboard experiences have also drawn negative feedback. Some passengers have noted outdated aircraft interiors and uncomfortable seating, particularly on longer flights.

TAM’s baggage handling procedures have come under scrutiny. Reports of lost or damaged luggage have tarnished the airline’s reputation and added stress to passengers’ journeys.

The airline’s in-flight entertainment options have been described as limited compared to competitors. This lack of variety can lead to a less enjoyable travel experience, especially on long-haul flights.

6. Ukraine International Airlines

Ukraine International Airlines (UIA) has faced criticism for various service issues. Passengers have reported delays, cancellations, and poor communication from the airline.

Customer service complaints are common, with travelers citing difficulties in resolving problems or obtaining refunds. Some flyers have expressed frustration with the airline’s baggage policies and fees.

UIA’s fleet has been described as aging, leading to concerns about comfort and reliability. In-flight amenities and food quality have also been points of contention for some passengers.

The airline has struggled financially in recent years, which may have impacted its ability to maintain consistent service standards. This has led to a decline in customer satisfaction and reputation.

7. Tajik Air

Tajik Air, the national airline of Tajikistan, has faced numerous challenges in recent years. The carrier has struggled with an aging fleet and limited routes, primarily serving destinations within Central Asia and Russia.

Safety concerns have plagued Tajik Air, with the airline banned from operating in European Union airspace since 2007. This restriction has significantly impacted its ability to expand and compete internationally.

Financial difficulties have further hampered Tajik Air’s operations. The airline has experienced frequent flight cancellations and delays, often leaving passengers stranded or forced to make alternative travel arrangements.

Customer service issues have also contributed to Tajik Air’s poor reputation. Passengers have reported difficulties with booking, frequent schedule changes, and inadequate compensation for disrupted travel plans.

8. VivaColombia

VivaColombia, a low-cost carrier based in Colombia, has faced criticism for its service quality and customer experience. The airline operates primarily domestic routes within Colombia and some international flights to neighboring countries.

Passengers have reported issues with frequent flight delays and cancellations, causing inconvenience and disrupting travel plans. The airline’s customer service has also been a point of contention, with travelers citing difficulties in resolving complaints and obtaining refunds.

VivaColombia’s no-frills approach means limited legroom and minimal onboard amenities. Passengers are often required to pay extra fees for basic services like seat selection and baggage allowance, which can lead to unexpected costs.

The airline has faced regulatory scrutiny due to safety concerns and operational issues. These factors have contributed to VivaColombia’s reputation as one of the less favorable airlines in the region.

9. Adria Airways

Adria Airways was Slovenia’s national airline until its bankruptcy in 2019. The carrier faced significant financial troubles in its final years of operation.

Passengers frequently complained about flight delays and cancellations. These issues became more prevalent as the airline’s financial situation worsened.

Customer service was often criticized, with travelers reporting difficulties in obtaining refunds or assistance during disruptions. The airline’s aging fleet also raised concerns about comfort and safety.

Adria Airways struggled to compete with larger European carriers and low-cost airlines. Its limited route network and higher prices made it less attractive to travelers.

The airline’s collapse left many passengers stranded and forced to find alternative travel arrangements. This sudden shutdown further damaged its reputation among travelers and industry observers.

10. Phillipine Airlines

Phillipine Airlines, the flag carrier of the Philippines, has faced criticism for various service issues. Passengers have reported delayed flights and inconsistent customer service experiences.

The airline’s aging fleet has been a concern, with some aircraft showing signs of wear and tear. This has led to maintenance-related delays and cancellations, frustrating travelers.

In-flight amenities on Phillipine Airlines have received mixed reviews. Some passengers find the food quality lacking compared to other carriers in the region.

The airline’s booking and check-in processes have also been described as cumbersome by some customers. Long queues at airport counters and website glitches have been reported.

Despite efforts to improve, Phillipine Airlines continues to struggle with punctuality. Flight delays have impacted passenger satisfaction and the airline’s reputation.

11. Lion Air

Lion Air is an Indonesian low-cost carrier founded in 1999. The airline has faced numerous safety concerns and incidents over the years, impacting its reputation.

Lion Air operates a large fleet of Boeing and Airbus aircraft, primarily serving domestic routes within Indonesia and some international destinations. Despite its growth, the airline has struggled with punctuality issues and frequent flight delays.

In 2018, Lion Air experienced a tragic accident when Flight 610 crashed into the Java Sea, resulting in the loss of all 189 people on board. This incident raised questions about the airline’s safety practices and maintenance procedures.

The airline has also received criticism for poor customer service and inadequate handling of passenger complaints. These factors have contributed to Lion Air’s inclusion on lists of airlines with lower service quality and safety standards.

12. Syrian Air

Syrian Air, the flag carrier of Syria, faces significant challenges in its operations. The airline’s fleet consists of aging aircraft, with many planes over 20 years old.

Safety concerns have been raised due to maintenance issues and outdated equipment. International sanctions have limited Syrian Air’s ability to acquire new aircraft and parts.

The airline’s route network has shrunk considerably due to ongoing conflict in Syria. Many countries have banned Syrian Air from their airspace, restricting its operations.

Passengers often report poor service quality, including delays, cancellations, and subpar onboard amenities. The airline’s financial struggles have impacted its ability to invest in customer experience improvements.

Syrian Air’s future remains uncertain as it grapples with these operational and geopolitical obstacles. The airline continues to operate under difficult circumstances, serving a limited number of destinations.

13. Comair

Comair, a regional airline based in South Africa, faced numerous challenges during its operation. The carrier experienced frequent flight delays and cancellations, causing frustration among passengers.

Customer service issues plagued Comair, with many travelers reporting difficulties in resolving complaints or obtaining refunds. The airline’s aging fleet and maintenance concerns also contributed to its poor reputation.

Comair’s financial instability led to operational problems and inconsistent service quality. In June 2022, the airline ceased operations due to financial constraints, leaving many passengers stranded and seeking alternative travel arrangements.

The company’s bankruptcy filing and subsequent liquidation further damaged its standing in the aviation industry. Comair’s collapse left a significant gap in South Africa’s domestic air travel market, impacting both leisure and business travelers.

14. Cubana de Aviación

Cubana de Aviación, Cuba’s national airline, faces numerous challenges that impact its service quality. The carrier operates with an aging fleet, including Soviet-era aircraft, which raises safety concerns among passengers and aviation experts.

Frequent flight delays and cancellations plague Cubana’s operations, frustrating travelers and disrupting itineraries. These issues stem from maintenance problems and difficulty obtaining spare parts due to economic sanctions.

Customer service at Cubana often falls short of international standards. Passengers report difficulties with booking, limited communication during disruptions, and inadequate compensation for delays.

The airline’s in-flight experience lags behind competitors. Outdated interiors, limited entertainment options, and basic meal services contribute to passenger dissatisfaction.

Cubana’s route network is limited, primarily serving domestic and regional destinations. This restriction limits options for international travelers and reduces the airline’s competitiveness in the global market.

15. Libya Airlines

Libya Airlines, the national carrier of Libya, faces significant challenges in providing reliable air travel services. The airline has struggled with an aging fleet and limited route network, primarily serving domestic destinations and a few international routes.

Safety concerns have plagued Libya Airlines, with incidents reported due to inadequate maintenance and outdated aircraft. The political instability in Libya has further impacted the airline’s operations, leading to frequent flight cancellations and schedule disruptions.

Passengers have complained about poor customer service, including difficulties in obtaining refunds for cancelled flights. The airline’s booking system is often unreliable, causing inconvenience for travelers attempting to make reservations.

Libya Airlines’ in-flight experience falls short of international standards, with limited amenities and outdated cabin interiors. The lack of consistent training for staff has resulted in inconsistent service quality across flights.

16. Merpati Nusantara Airlines

Merpati Nusantara Airlines was an Indonesian airline that operated from 1962 to 2014. The carrier served domestic routes and some international destinations in Southeast Asia.

Despite its long history, Merpati struggled with financial issues and safety concerns. The airline faced multiple accidents and incidents over the years, damaging its reputation.

Maintenance problems and aging aircraft plagued Merpati’s operations. The company often failed to pay staff salaries on time, leading to strikes and service disruptions.

In 2014, Merpati ceased all flights due to mounting debts and inability to cover operational costs. The Indonesian government attempted to revive the airline but was unsuccessful.

Merpati’s closure left many remote areas of Indonesia with reduced air connectivity. The airline’s demise highlighted the challenges of operating in a geographically diverse archipelago nation.

17. Air Zimbabwe

Air Zimbabwe has faced numerous challenges over the years, contributing to its reputation as one of the world’s worst airlines. The national carrier of Zimbabwe has struggled with financial difficulties and operational issues.

The airline has experienced frequent flight cancellations and delays, often leaving passengers stranded. These disruptions have been attributed to various factors, including fuel shortages and maintenance problems.

Air Zimbabwe’s fleet consists of aging aircraft, raising concerns about safety and reliability. The airline has also faced sanctions from international aviation authorities due to unpaid debts and safety concerns.

Financial mismanagement and corruption allegations have plagued the airline, leading to a lack of investor confidence. This has resulted in limited route options and reduced service quality for passengers.

The airline’s poor on-time performance and inconsistent schedules have further damaged its reputation. Customers have reported difficulties in obtaining refunds or compensation for canceled flights.

18. Bangkok Airways

Bangkok Airways has faced criticism for its high ticket prices compared to other regional carriers. Passengers have reported issues with delayed flights and poor communication during disruptions.

The airline’s limited route network primarily serves destinations within Southeast Asia. This restricted coverage can be inconvenient for travelers seeking more extensive connection options.

Some customers have expressed dissatisfaction with the quality of in-flight meals and the comfort of seating on certain aircraft. The airline’s loyalty program has also been described as less rewarding than those of larger competitors.

Bangkok Airways has experienced safety incidents, including a 2018 runway excursion at Koh Samui Airport. While no serious injuries occurred, such events can undermine passenger confidence.

19. Royal Air Maroc

Royal Air Maroc, the national carrier of Morocco, has faced criticism for its service quality and reliability issues. Passengers have reported frequent delays and cancellations, causing frustration and disrupting travel plans.

The airline’s customer service has been a point of contention, with travelers citing difficulties in obtaining assistance or compensation for flight problems. Communication breakdowns between staff and passengers have further exacerbated these issues.

Onboard experiences have also drawn complaints, including concerns about cleanliness, seat comfort, and in-flight entertainment options. Some passengers have noted outdated aircraft interiors and limited legroom on certain routes.

Baggage handling has been another area of concern, with reports of lost or damaged luggage. This has led to additional stress and inconvenience for travelers, particularly those on long-haul flights or with connecting itineraries.

20. Sata International

Sata International, a Portuguese airline based in the Azores, has faced criticism for various service issues. Passengers have reported frequent delays and cancellations, disrupting travel plans and causing inconvenience.

The airline’s fleet primarily consists of older aircraft, which has led to concerns about comfort and reliability. Some travelers have complained about cramped seating and limited onboard amenities during flights.

Customer service has been another point of contention for Sata International. Passengers have cited difficulties in obtaining timely information or assistance during travel disruptions.

The airline’s limited route network has also been a drawback for some travelers. Sata International primarily serves destinations within Portugal and a few select European and North American cities.

Baggage handling issues have been reported by some passengers, including delayed or misplaced luggage. This has added to the frustration experienced by travelers using the airline’s services.

Criteria for Evaluating Airline Quality

Several key factors determine an airline’s overall quality and passenger experience. These criteria help travelers assess and compare different carriers when making travel decisions.

Customer Service

Airlines’ customer service significantly impacts the travel experience. Responsiveness to inquiries and complaints is crucial. Efficient check-in processes and baggage handling minimize stress.

Friendly and helpful staff make a big difference. This includes gate agents, flight attendants, and support personnel. Clear communication during delays or disruptions is essential.

Airlines with 24/7 support channels tend to rate higher. Multiple contact options like phone, email, and social media are beneficial. How airlines handle service recovery after issues also matters.

On-Time Performance

Punctuality is a top priority for many travelers. Airlines track their on-time performance and departures within 15 minutes of scheduled time.

Factors affecting timeliness include:

• Weather conditions
• Air traffic control issues
• Mechanical problems
• Crew availability

Consistent on-time performance indicates good operational efficiency. It minimizes missed connections and reduces passenger stress. Airlines with higher on-time percentages often rank better in quality assessments.

Seat Comfort

Seat comfort directly affects passenger satisfaction, especially on longer flights. Key aspects include:

• Seat width and pitch (legroom)
• Cushion quality and support
• Recline angle
• Headrest adjustability

Premium economy and business class offerings are also considered. Extra legroom options and lie-flat seats on long-haul routes can boost an airline’s rating.

Cabin layout and seat configuration impact overall comfort. Airlines investing in ergonomic seat designs tend to receive better reviews.

In-Flight Entertainment

Quality and variety of entertainment options enhance the flying experience. Modern in-flight entertainment systems typically offer:

• Movies and TV shows
• Music and podcasts
• Games
• Flight maps and information

Screen size and resolution are important factors. Some airlines provide personal devices or allow streaming to passengers’ own devices.

Wi-Fi availability and quality are increasingly significant. Pricing and speed of in-flight internet affect ratings.

Food and Beverage Service

Meal quality and variety contribute to passenger satisfaction. Factors to consider include:

• Taste and freshness of meals
• Portion sizes
• Special diet accommodations
• Snack options between meals

Beverage selection, including alcoholic options, is also evaluated. Quality of coffee and tea can be important to many travelers.

Meal presentation and service style impact the overall dining experience. Airlines offering chef-designed menus or local cuisine options often receive higher marks.

Safety Records

Safety is paramount in airline evaluations. Key safety indicators include:

• Accident history
• Incidents and near-misses
• Regulatory compliance
• Age and maintenance of aircraft fleet

Airlines’ safety protocols and crew training programs are considered. Regular safety audits by international organizations provide valuable insights.

Transparency in safety reporting and quick addressing of any issues are important. Airlines with strong safety records typically rank higher in quality assessments.

Impact of Poor Airline Performance

Poor airline performance leads to widespread negative effects for travelers, companies, and the broader economy. Dissatisfied passengers often seek alternative carriers, while frequent delays and cancellations disrupt travel plans. These issues can result in significant financial losses for airlines and related businesses.

Passenger Dissatisfaction

Subpar airline service directly affects customer satisfaction. Long wait times, lost luggage, and uncomfortable flights contribute to frustration. Many passengers report feeling stressed and anxious when flying with low-performing airlines.

Poor in-flight amenities, such as inadequate legroom or malfunctioning entertainment systems, further diminish the travel experience. Unhelpful or rude staff interactions can exacerbate negative perceptions.

Dissatisfied customers often share their experiences on social media and review sites, potentially influencing others’ travel decisions. This word-of-mouth effect can damage an airline’s reputation and lead to decreased bookings.

Delays and Cancellations

Frequent delays and cancellations severely impact passengers’ schedules and plans. Business travelers may miss important meetings, while leisure travelers lose valuable vacation time.

These disruptions can cause a domino effect, affecting connecting flights and onward travel arrangements. Passengers may incur additional costs for accommodation, meals, or alternative transportation.

Airlines face increased operational costs due to crew overtime, aircraft repositioning, and compensation for affected passengers. Persistent issues with timeliness can lead to regulatory penalties and fines.

Economic Consequences

Poor airline performance has far-reaching economic implications. Airlines may experience decreased revenue due to lower passenger numbers and reduced customer loyalty.

Refunds, compensation, and additional services for affected passengers can significantly impact an airline’s bottom line. Negative publicity can lead to a drop in stock prices and investor confidence.

The broader travel industry, including hotels, restaurants, and tourist attractions, may suffer from reduced visitor numbers. Local economies relying on tourism can experience slowdowns when airlines fail to deliver reliable service.

Inefficient operations and frequent disruptions can result in higher fuel consumption and increased carbon emissions, contributing to environmental and economic costs.