Flight AA577
American Airlines flight AA577
Looking for AA577 in the air…
Dallas-Fort Worth (DFW) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 49% of the time, and when it is late the delay averages 71 minutes. It was cancelled 3.7% of the time.
- On-time arrivals
- 51.3%
- Less than 15 minutes late
- Cancelled
- 3.7%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 321
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 13%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Philadelphia (PHL) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 90 minutes. It was cancelled 9.5% of the time.
- On-time arrivals
- 78.9%
- Less than 15 minutes late
- Cancelled
- 9.5%
- Of scheduled flights
- Average delay when late
- 90 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 44%
- Airline (crew, maintenance, cleaning) 37%
- Air traffic control & airport 18%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 42.9% | 30 |
| October 2025 | 44.8% | 30 |
| November 2025 | 64.3% | 28 |
| December 2025 | 62.1% | 29 |
| January 2026 | 59.3% | 31 |
| February 2026 | 75.0% | 26 |
| March 2026 | 62.1% | 30 |
| April 2026 | 50.0% | 30 |
| May 2026 | 59.3% | 29 |
| June 2026 | 38.9% | 21 |
| July 2026 | 22.2% | 27 |
| August 2026 | 51.6% | 31 |
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