Flight AA1523
American Airlines flight AA1523
Looking for AA1523 in the air…
Denver (DEN) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 17% of the time, and when it is late the delay averages 117 minutes. It was cancelled 2.4% of the time.
- On-time arrivals
- 83.3%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 117 min
- Flights arriving 15+ minutes late
- Flights tracked
- 333
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Late-arriving aircraft 36%
- Air traffic control & airport 15%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dallas-Fort Worth (DFW) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 58 minutes. It was cancelled 0.4% of the time.
- On-time arrivals
- 82.4%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 275
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 63%
- Air traffic control & airport 16%
- Late-arriving aircraft 12%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 81.4% | 59 |
| October 2025 | 85.7% | 35 |
| November 2025 | 75.9% | 29 |
| December 2025 | 63.2% | 39 |
| January 2026 | 93.1% | 34 |
| February 2026 | 73.3% | 45 |
| March 2026 | 90.2% | 62 |
| April 2026 | 89.5% | 60 |
| May 2026 | 91.5% | 61 |
| June 2026 | 63.3% | 60 |
| July 2026 | 85.5% | 62 |
| August 2026 | 95.2% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data