Flight AA1259
American Airlines flight AA1259
Looking for AA1259 in the air…
Boston (BOS) to Miami (MIA)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 79 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 88.6%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 79 min
- Flights arriving 15+ minutes late
- Flights tracked
- 311
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 54%
- Air traffic control & airport 31%
- Late-arriving aircraft 13%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Detroit (DTW) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 162 minutes. It was cancelled 11.6% of the time.
- On-time arrivals
- 92.1%
- Less than 15 minutes late
- Cancelled
- 11.6%
- Of scheduled flights
- Average delay when late
- 162 min
- Flights arriving 15+ minutes late
- Flights tracked
- 43
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 59%
- Extreme weather 22%
- Air traffic control & airport 11%
- Airline (crew, maintenance, cleaning) 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 96.2% | 26 |
| October 2025 | 80.6% | 31 |
| November 2025 | 82.8% | 30 |
| December 2025 | 87.1% | 31 |
| January 2026 | 76.0% | 27 |
| February 2026 | 96.0% | 27 |
| March 2026 | 90.3% | 31 |
| April 2026 | 84.0% | 29 |
| May 2026 | 96.7% | 31 |
| June 2026 | 96.7% | 30 |
| July 2026 | 93.5% | 31 |
| August 2026 | 86.7% | 30 |
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