Flight AA1173
American Airlines flight AA1173
Looking for AA1173 in the air…
Miami (MIA) to Nashville (BNA)
Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 75 minutes. It was cancelled 3.2% of the time.
- On-time arrivals
- 71.3%
- Less than 15 minutes late
- Cancelled
- 3.2%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 155
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 59%
- Late-arriving aircraft 26%
- Air traffic control & airport 12%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Washington (DCA) to Miami (MIA)
Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 120 minutes. It was cancelled 1.3% of the time.
- On-time arrivals
- 85.1%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 120 min
- Flights arriving 15+ minutes late
- Flights tracked
- 75
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 81%
- Air traffic control & airport 14%
- Airline (crew, maintenance, cleaning) 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dallas-Fort Worth (DFW) to Miami (MIA)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 54 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 78.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 44%
- Air traffic control & airport 39%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 38 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 78.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 38 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Extreme weather 42%
- Airline (crew, maintenance, cleaning) 28%
- Late-arriving aircraft 19%
- Air traffic control & airport 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Washington (DCA) to Burlington (BTV)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 47 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 47 min
- Flights arriving 15+ minutes late
- Flights tracked
- 32
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 53%
- Air traffic control & airport 27%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Pittsburgh (PIT)
Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 98 minutes. It was cancelled 3.6% of the time.
- On-time arrivals
- 70.4%
- Less than 15 minutes late
- Cancelled
- 3.6%
- Of scheduled flights
- Average delay when late
- 98 min
- Flights arriving 15+ minutes late
- Flights tracked
- 28
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 59%
- Airline (crew, maintenance, cleaning) 27%
- Air traffic control & airport 14%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Cleveland (CLE)
Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 67 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 27
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 74%
- Late-arriving aircraft 18%
- Air traffic control & airport 8%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Pittsburgh (PIT) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 50% of the time, and when it is late the delay averages 95 minutes. It was cancelled 3.7% of the time.
- On-time arrivals
- 50.0%
- Less than 15 minutes late
- Cancelled
- 3.7%
- Of scheduled flights
- Average delay when late
- 95 min
- Flights arriving 15+ minutes late
- Flights tracked
- 27
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 49%
- Air traffic control & airport 22%
- Extreme weather 15%
- Airline (crew, maintenance, cleaning) 14%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Nashville (BNA) to Miami (MIA)
Only 18 flights on record, which is too few for reliable odds.
- On-time arrivals
- 83.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 132 min
- Flights arriving 15+ minutes late
- Flights tracked
- 18
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 88%
- Airline (crew, maintenance, cleaning) 6%
- Air traffic control & airport 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Washington (DCA) to Cleveland (CLE)
Only 6 flights on record, which is too few for reliable odds.
- On-time arrivals
- 83.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 29 min
- Flights arriving 15+ minutes late
- Flights tracked
- 6
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 75.0% | 57 |
| October 2025 | 75.0% | 36 |
| November 2025 | 75.9% | 30 |
| December 2025 | 81.4% | 43 |
| January 2026 | 75.8% | 36 |
| February 2026 | 71.4% | 28 |
| March 2026 | 53.3% | 31 |
| April 2026 | 81.5% | 27 |
| May 2026 | 78.6% | 28 |
| June 2026 | 86.7% | 30 |
| July 2026 | 86.2% | 30 |
| August 2026 | 58.9% | 58 |
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