American Airlines

What the Data Says About American Airlines

Across 5,078,840 flights reported to the Bureau of Transportation Statistics between 2020 and 2025, American Airlines (AA) posted a 78.6% on-time rate, with 1,086,532 delayed departures and 119,543 cancellations. The carrier's average delay when flights run late is 85.4 minutes, and its cancellation rate of 2.35% sits alongside an overall delay rate of 21.4%. Those baseline numbers frame every comparison you can make with other carriers in the BTS dataset.

Digging into causes, Late Aircraft drives the biggest share of minutes lost, with Late Aircraft accounting for 44.5% of delay time and Carrier contributing 35.6%. Weather — often blamed informally — represents 5.2% of total delay minutes, while National Aviation System constraints such as air traffic control and airspace congestion make up 14.5%. Security delays remain the smallest bucket at 0.2%. Taken together, operational and scheduling factors outweigh weather as the dominant driver of American Airlines delays.

Seasonality matters too. Recent monthly data shows October 2024 as the best period for American Airlines with a 84% on-time rate, while July 2024 was the roughest at 63% on-time — a spread of 21 percentage points between best and worst month. For passengers choosing between carriers, the combination of a 78.6% on-time rate, 85.4-minute average delay, and 2.35% cancellation rate is the clearest summary of what to expect on American Airlines flights based on BTS reporting.