Delta Air Lines Performance Review

The latest performance statistics: Flight Volume, Punctuality & Schedule Reliability.

This page brings you the latest operations performance facts about Delta Air Lines. The data shown below reflects Delta Air Lines' previous month’s performance. If you want to discover Delta Air Lines' performance in real-time you should download the FlightFacts app.

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126,627

Flights

In September, Delta Air Lines operated 126,627 flights. As a result, the U.S. carrier reduced its schedule by 5% compared to August. However, Delta continued to rank as the world's second-biggest airline by flight volume.

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On-Time Performance

In September, Delta Air Lines achieved a solid on-time performance of 90%. Compared to other North American airlines —and bearing its huge flight volume in mind— the result reflects extraordinary punctuality. Compared to August, Delta Air Lines improved its punctuality by almost 5pp and is in line with its annual average.

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Schedule Reliability

Delta's schedule reliability in September was 99.5%. Accordingly, the carrier had to cancel 0.5% of its flights. Compared to August, the results reflect a slight increase in cancellations. However, 99.5% is still considered as an excellent flight schedule

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Flight Volume — 6 Months History

Delta Air Lines has reduced its flight volume for the second month in a row. The airline is now 7% below its peak in July, where Delta operated more than 135,000 flights. Moreover, the gap to American Airlines is almost 35,000 monthly flights.

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About Delta Air Lines

Delta Air Lines is one of the major airlines of the United States and a legacy carrier. Delta Air Lines is often called one airline of the "big three" (American, United, Delta). It is headquartered in Atlanta, Georgia. The airline, along with its subsidiaries and regional affiliates, including Delta Connection, serves 325 destinations in 52 countries on six continents.

Delta has nine hubs, with Atlanta being its largest in terms of total passengers and number of departures. It is ranked second among the world's largest airlines by the number of scheduled passengers carried, revenue passenger kilometers flown, and fleet size. It is ranked 69th on the Fortune 500.

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Definitions:
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!

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