Flying has never been more complicated. From delays and lost bags to crowded cabins, travelers worldwide are voicing their frustrations louder than ever.
A new report from Click Intelligence takes those frustrations and turns them into data — measuring which airlines leave passengers most dissatisfied.
Using a “Dissatisfaction Index” that blends passenger reviews, Skytrax star ratings, complaint search volume, and safety or operational incidents, the study ranks airlines from least to most frustrating.
Let’s count down the ten worst airlines for customer satisfaction in 2025, starting with number 10.
10. British Airways
British Airways (BA) once stood for class and comfort, but it has been slipping in satisfaction ratings. The carrier received an index score of 43, affected by high lost-baggage search interest and service complaints.
Despite strong Skytrax ratings (4 out of 5) and a solid safety record, passengers say the airline’s premium image no longer matches the experience on board.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 43 |
| Average Review Score | 6/10 |
| Skytrax Rating | 4/5 |
| Notable Issue | High lost-baggage searches |
9. Wizz Air
The Hungarian low-cost airline ranks ninth with an index of 45. Wizz Air (W6) operates on a strict budget model, offering cheap fares across Europe but facing frequent complaints about punctuality and extra fees.
Travelers often report difficulty contacting customer service after flight disruptions.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 45 |
| Average Review Score | 3/10 |
| Skytrax Rating | 3/5 |
| Notable Issue | Customer service and hidden fees |
8. Scandinavian Airlines (SAS)
SAS lands in eighth place with a score of 47. The airline’s ongoing restructuring, cost cuts, and operational challenges have led to inconsistent service quality.
Although it remains a trusted brand in Northern Europe, passengers have noticed uneven hospitality and communication during disruptions.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 47 |
| Average Review Score | 3.4/10 |
| Skytrax Rating | 3/5 |
| Notable Issue | Inconsistent service quality |
7. Aeromexico
At number seven is Aeromexico (AM), with an index score of 49. Despite being Mexico’s flag carrier, the airline has faced growing criticism for delayed refunds and limited in-flight amenities.
Six recorded incidents and mixed feedback on customer support helped place it among the most frustrating carriers.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 49 |
| Average Review Score | 3/10 |
| Skytrax Rating | 3/5 |
| Notable Issue | Refund delays and poor response time |
6. AirAsia
Asia’s biggest low-cost carrier ranks sixth with an index of 50. Known for its massive route network and affordable prices, AirAsia’s low fares come with low expectations — and sometimes even lower satisfaction.
Passengers highlight long delays and confusing baggage policies as key sources of frustration.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 50 |
| Average Review Score | 2.8/10 |
| Skytrax Rating | 3/5 |
| Notable Issue | Delays and baggage policy confusion |
5. Ryanair
Europe’s most famous budget airline, Ryanair (FR), takes the fifth spot with a score of 51.
Despite its reputation for strict baggage rules and tight seating, Ryanair still outperformed some major carriers in this study. Passengers gave it low comfort ratings but noted improved punctuality and reliability.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 51 |
| Average Review Score | 2.8/10 |
| Skytrax Rating | 3/5 |
| Notable Issue | Comfort and add-on fees |
4. Air France
Air France (AF) places fourth, with a dissatisfaction index of 53. The airline’s relatively high Skytrax score (4 out of 5) couldn’t offset frequent lost-baggage complaints and 11 recorded incidents.
Passengers often cite inconsistent customer care and communication gaps during disruptions.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 53 |
| Average Review Score | 5/10 |
| Skytrax Rating | 4/5 |
| Notable Issue | Lost baggage and service inconsistency |
3. United Airlines
United Airlines (UA) ranks third with an index of 54. Despite improvements in its fleet and operations, United’s size amplifies every problem.
A high number of customer complaint searches and average review ratings of 3.3 out of 10 placed it near the top of the dissatisfaction chart.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 54 |
| Average Review Score | 3.3/10 |
| Skytrax Rating | 3/5 |
| Notable Issue | Customer service and refund handling |
2. Frontier Airlines
In second place is Frontier Airlines (F9), the U.S. budget carrier known for rock-bottom fares and strict add-on pricing.
Frontier earned a 55 on the Dissatisfaction Index, dragged down by poor passenger reviews (2 out of 10) and frequent online complaint searches. While many travelers accept its no-frills model, others feel caught off-guard by unexpected fees.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 55 |
| Average Review Score | 2/10 |
| Skytrax Rating | 3/5 |
| Notable Issue | Add-on costs and poor comfort |
1. American Airlines
Taking the top spot — for all the wrong reasons — is American Airlines (AA). With a score of 56, it ranked as the world’s most frustrating airline in the study.
Despite being one of the largest and oldest carriers in the world, American struggles with customer service reputation, frequent complaint searches, and a wave of negative reviews.
| Indicator | Data |
|---|---|
| Dissatisfaction Index | 56 |
| Average Review Score | 2.9/10 |
| Skytrax Rating | 3/5 |
| Notable Issue | High complaint volume and inconsistent service |
Passengers often describe long hold times, lost bags, and unhelpful support after cancellations or delays. The airline’s scale means even small problems affect thousands of people daily.
Compared with low-cost airlines like Frontier or Ryanair, American’s reputation suffers from the higher expectations that come with being a full-service carrier.
Comparison of the 10 Worst Airlines for Customer Satisfaction (2025)
| Rank | Airline | Dissatisfaction Index | Average Passenger Review (1–10) | Skytrax Rating (1–5) | Notable Issues |
|---|---|---|---|---|---|
| 10 | British Airways | 43 | 6.0 | 4 | Lost baggage and declining premium service |
| 9 | Wizz Air | 45 | 3.0 | 3 | Hidden fees, customer contact problems |
| 8 | Scandinavian Airlines (SAS) | 47 | 3.4 | 3 | Inconsistent service during restructuring |
| 7 | Aeromexico | 49 | 3.0 | 3 | Refund delays and limited onboard comfort |
| 6 | AirAsia | 50 | 2.8 | 3 | Long delays and confusing baggage rules |
| 5 | Ryanair | 51 | 2.8 | 3 | Tight seating, poor comfort, strict add-ons |
| 4 | Air France | 53 | 5.0 | 4 | Lost baggage and uneven customer service |
| 3 | United Airlines | 54 | 3.3 | 3 | High complaint volume and poor communication |
| 2 | Frontier Airlines | 55 | 2.0 | 3 | Hidden fees, low comfort, poor support |
| 1 | American Airlines | 56 | 2.9 | 3 | High complaint searches, inconsistent service |
Source: Live and Let’s Fly
Bottom Line
The 2025 Dissatisfaction Index reveals a striking truth: airline size doesn’t equal satisfaction. Even major global names like American, Air France, and United find themselves ranked alongside low-cost carriers in passenger frustration.
Ryanair and Frontier may not promise comfort, but they deliver what they advertise — cheap fares and basic service. Traditional airlines, meanwhile, struggle to balance cost-cutting with customer care.
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