The Airline Performance Review brings you the latest performance stats of more than 50 of the world’s biggest airlines. Find out everything about how the world’s big carriers performed in terms of flights, punctuality, and schedule reliability.

Today, we start a new series called “Airline Performance Review.” Several times a week, we post the latest stats of the world’s leading airlines. In detail, we look at flight volume, on-time performance, and schedule reliability of the recent day. The list of airlines we analyze currently contains 54 carriers from three continents (Europe, North America, and Asia). Here’s what’s included in detail:

Airline With Most Flights on 3rd October 2021
Airline Review: Most Punctual Airlines on 3rd October 2021
Airline Review: Least Punctual Airlines on 3rd October 2021
Airline Review: Most Reliable Airlines on 3rd October 2021
Airline Review: Least Reliable Airlines on 3rd October 2021
Contained Airlines
Data Source

Airline Review: Airline With Most Flights on 3rd October 2021

The below list contains the 15 biggest airlines that operated the most flights on 3rd October. As in previous days, American Airlines has —by far— the biggest flight volume. Moreover, American Airlines is the only airline worldwide that operates more than 5,000 daily flights. With Delta Airlines, United Airlines and Southwest Airlines, three carriers from the United States follow on positions two to four.

On 5th October, Ryanair was the world’s fifth-biggest airline with almost 2,400 flights. As a result, Ryanair operated more flights than the Chinese flag carriers: China Southern Airlines, China Eastern Airlines, and Air China.

On the other side, Lufthansa is the only European flag carrier that made it in the world’s biggest airlines list on 3rd October. Lufthansa operated more than 1,000 flights. Other European carriers, such as Air France, KLM, or British Airways, comprise the 15 biggest airlines.

RankIATAAirlineFlight Volume
1AAAmerican Airlines5,265
2DLDelta Airlines4,157
3UAUnited Airlines3,867
4WNSouthwest Airlines3,008
6CZChina Southern Airlines2,164
7MUChina Eastern Airlines2,087
8TKTurkish Airlines1,323
11CAAir China1,245
13ASAlaska Airlines1,029
14B6JetBlue Airways786
Airline Review: Airline With Most Flights on 3rd October 2021

Airline Review: Most Punctual Airlines on 3rd October 2021

When looking at the punctuality on 3rd October, the results hold some exciting facts. Oman Air was the most punctual airline on 3rd October with a 100% on-time performance. However, since Oman Air operated only 46 flights on that day, it is arguable whether the airline should be considered on the list.

However, it is interesting to see that all big U.S. carriers showed an extraordinary performance. United Airlines, American Airlines, Delta Airlines, Alaska Airlines, and JetBlue achieved an on-time performance above 96%. Therefore, it will be interesting to see whether the big players can maintain such a strong performance during the next days. With SpiceJet and IndiGo, two Indian airlines made it into the list.

On the other side, we’re surprised that Vueling and Iberia —two airlines famous for their on-time performance— are not part of the list on that day.

1WYOman Air100,0%
2UAUnited Airlines97,6%
3AAAmerican Airlines97,5%
4DLDelta Airlines97,5%
5ASAlaska Airlines97,4%
6B6JetBlue Airways96,9%
7WNSouthwest Airlines96,8%
9JUAir Serbia94,1%
12SVSaudi Arabian Airlines92,8%
13EIAer Lingus92,7%
14A3Aegean Airlines92,4%
15MUChina Eastern Airlines92,3%
Airline Review: Most Punctual Airlines on 3rd October 2021

Airline Review: Least Punctual Airlines on 3rd October 2021

Let’s take a look at the bottom of the list: Here are the 15 least punctual airlines on 3rd October 2021. And, besides some carriers from the Middle East, it seems to be a European battle. Almost all big players, such as Lufthansa, Swiss, Wizz Air, or Ryanair showed a relatively weak performance on that day. With punctuality results below 70%, Swiss, flyDubai, Lufthansa, SAS, and TAP Portugal can be found at the very bottom of the list.

43G9Air Arabia78,9%
44W6Wizz Air78,8%
45SNBrussels Airlines78,4%
46AFAir France78,0%
49PCPegasus Airlines74,8%
53SKSAS – Scandinavian Airlines63,7%
54TPTAP Air Portugal62,6%
Airline Review: Least Punctual Airlines on 3rd October 2021

Airline Review: Most Reliable Airlines on 3rd October 2021

When looking at airlines’ schedule reliability it is good to see that many carriers operated 100% of their scheduled flights. In other words: They didn’t cancel a single flight. Therefore, we ordered the airlines according to their reliability first and flight volume second.

Contrary to the punctuality of top players, we don’t see many U.S. carriers on the list of most reliable airlines on 3rd October. JetBlue Airways is the only carrier from the United States that made it into the list. On the other side, we have European airlines and some carriers from the Middle East.

RankIATAAirlinesSchedule ReliabilityFlight Volume
2B6JetBlue Airways100,0%786
3BABritish Airways100,0%520
4PCPegasus Airlines100,0%511
6S7S7 Airlines100,0%390
9OSAustrian Airlines100,0%250
11SNBrussels Airlines100,0%148
13G9Air Arabia100,0%128
14A3Aegean Airlines100,0%119
15EIAer Lingus100,0%109
Airline Review: Most Reliable Airlines on 3rd October 2021

Airline Review: Least Reliable Airlines on 3rd October 2021

The list of airlines that had the weakest schedule reliability on the 3rtd of October shows a mixed field with airlines from North America, Europe, the Middle East, and Asia. With more than 200 cancellations, United Airlines recorded the highest absolute amount of cancellations on 3rd October. However, in relation to the number of performed flights, Oman Air, Hainan Air, and GoAir showed the weakest overall results.

RankIATAAirlineSchedule ReliabilityCanceled Flights
41ASAlaska Airlines98,6%57
42UAUnited Airlines98,5%203
43SKSAS – Scandinavian Airlines97,6%38
44CZChina Southern Airlines97,6%24
45GFGulf Air97,5%20
46CAAir China93,7%3
47KUKuwait Airways93,3%78
50SVSaudi Arabian Airlines91,5%12
51MUChina Eastern Airlines90,3%57
52H.U.Hainan Airlines89,6%14
54WYOman Air76,1%11
Airline Review: Least Reliable Airlines on 3rd October 2021


Contained Airlines

Aegean Airlines, Aer Lingus, Aeroflot, Air Arabia, Air China, Air Europa, Air France, Air India, Air Serbia, Alaska Airlines, Alitalia, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, China Eastern Airlines, China Southern Airlines, Delta Airlines, easyJet, Emirates, Etihad, Eurowings, Finnair, flyDubai, flynas, GoAir, Gulf Air, Hainan Airlines, Iberia, IndiGo, JetBlue Airways, KLM, Kuwait Airways, LOT Polish Airlines, Lufthansa, Norwegian, Oman Air, Pegasus Airlines, Pobeda, Qatar Airways, Ryanair, S7 Airlines, SAS – Scandinavian Airlines, Saudi Arabian Airlines, Southwest Airlines, SpiceJet, Swiss, TAP Air Portugal, Turkish Airlines, United Airlines, Virgin Atlantic, Vueling, Wideroe,Wizz Air


Flight Volume
In our case, we define flight volume as the number of flights the airline will perform in a certain period, September 2021.

Punctuality counts all flights that arrive on time at their destination airport and puts them into relation to the overall operated number of flights. On-time in this context is defined as +15/-15 compared to the scheduled arrival time. We consider an on-time performance above 90% as good (green), from 80%-90% as ok (orange), and below 80% as weak (red).

Flight Schedule Reliability (Reliability)
Schedule reliability counts the number of actually performed flights concerning scheduled flights. In other words, the percentage of flights that an airline didn’t cancel. We consider schedule reliability above 95% as good (green), from 90%-95% as ok (orange), and below 90% as weak (red).

Data Source

The shown data is based on the latest FlightFacts data. FlightFacts is a free-to-use mobile app that lets you discover the operational performance of airlines and airports in real-time. For more information about FlightFacts, click here or visit our download page. FlightsFacts is available for Android and Apple mobiles and is used by more than 10,000 aviation employees and enthusiasts worldwide!

What’s Your Opinion?

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Benjamin is a content-maniac, music-lover, aviation-enthusiast, and CEO of Information Design (in this order). His daily business revolves around pioneering solutions to change the way airlines, airports, and aviators use information. His visions are based on expertise gained in more than 15 years in the industry and working with renowned airlines + airports worldwide.

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