Flight AA431
American Airlines flight AA431
Looking for AA431 in the air…
Chicago (ORD) to San Antonio (SAT)
Historically, this flight arrives 15+ minutes late 53% of the time, and when it is late the delay averages 95 minutes. It was cancelled 2.1% of the time.
- On-time arrivals
- 47.1%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 95 min
- Flights arriving 15+ minutes late
- Flights tracked
- 143
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 55%
- Airline (crew, maintenance, cleaning) 33%
- Air traffic control & airport 7%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Charlotte (CLT) to San Jose (SJC)
Only 3 flights on record, which is too few for reliable odds.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 191 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 83%
- Airline (crew, maintenance, cleaning) 17%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 58.3% | 12 |
| October 2025 | 70.4% | 27 |
| November 2025 | 100.0% | 1 |
| February 2026 | 66.7% | 3 |
| May 2026 | 27.3% | 11 |
| June 2026 | 46.4% | 30 |
| July 2026 | 30.0% | 31 |
| August 2026 | 45.2% | 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