Flight AA421
American Airlines flight AA421
Looking for AA421 in the air…
Dallas-Fort Worth (DFW) to Syracuse (SYR)
Historically, this flight arrives 15+ minutes late 45% of the time, and when it is late the delay averages 65 minutes. It was cancelled 3.8% of the time.
- On-time arrivals
- 55.2%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 209
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 64%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 6%
- Extreme weather 2%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 65.5% | 30 |
| October 2025 | 63.3% | 31 |
| November 2025 | 0.0% | 1 |
| April 2026 | 56.5% | 24 |
| May 2026 | 69.0% | 31 |
| June 2026 | 51.9% | 30 |
| July 2026 | 48.4% | 31 |
| August 2026 | 35.5% | 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