Flight AA1148
American Airlines flight AA1148
Looking for AA1148 in the air…
Dallas-Fort Worth (DFW) to Boston (BOS)
Historically, this flight arrives 15+ minutes late 24% of the time, and when it is late the delay averages 71 minutes. It was cancelled 4.6% of the time.
- On-time arrivals
- 76.0%
- Less than 15 minutes late
- Cancelled
- 4.6%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 153
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 55%
- Airline (crew, maintenance, cleaning) 24%
- Air traffic control & airport 17%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 98 minutes. It was cancelled 2.8% of the time.
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 2.8%
- Of scheduled flights
- Average delay when late
- 98 min
- Flights arriving 15+ minutes late
- Flights tracked
- 145
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 54%
- Late-arriving aircraft 36%
- Extreme weather 7%
- Air traffic control & airport 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 62 minutes. It was cancelled 4.5% of the time.
- On-time arrivals
- 73.8%
- Less than 15 minutes late
- Cancelled
- 4.5%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 88
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 22%
- Air traffic control & airport 18%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.6% | 13 |
| October 2025 | 85.7% | 28 |
| November 2025 | 69.8% | 55 |
| December 2025 | 91.2% | 57 |
| January 2026 | 70.7% | 48 |
| February 2026 | 65.9% | 42 |
| March 2026 | 75.8% | 34 |
| April 2026 | 66.7% | 6 |
| May 2026 | 81.8% | 11 |
| June 2026 | 64.3% | 30 |
| July 2026 | 76.7% | 31 |
| August 2026 | 80.0% | 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