Flight AA1004
American Airlines flight AA1004
Looking for AA1004 in the air…
Boston (BOS) to Charlotte (CLT)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 98 minutes. It was cancelled 3.9% of the time.
- On-time arrivals
- 91.3%
- Less than 15 minutes late
- Cancelled
- 3.9%
- Of scheduled flights
- Average delay when late
- 98 min
- Flights arriving 15+ minutes late
- Flights tracked
- 180
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Air traffic control & airport 36%
- Extreme weather 11%
- Airline (crew, maintenance, cleaning) 10%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to St Louis (STL)
Historically, this flight arrives 15+ minutes late 45% of the time, and when it is late the delay averages 78 minutes. It was cancelled 6.6% of the time.
- On-time arrivals
- 54.9%
- Less than 15 minutes late
- Cancelled
- 6.6%
- Of scheduled flights
- Average delay when late
- 78 min
- Flights arriving 15+ minutes late
- Flights tracked
- 76
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 58%
- Airline (crew, maintenance, cleaning) 33%
- Extreme weather 8%
- Air traffic control & airport 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to Washington (DCA)
Historically, this flight arrives 15+ minutes late 53% of the time, and when it is late the delay averages 95 minutes. It was cancelled 3.8% of the time.
- On-time arrivals
- 47.1%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 95 min
- Flights arriving 15+ minutes late
- Flights tracked
- 53
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 89%
- Airline (crew, maintenance, cleaning) 6%
- Air traffic control & airport 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Raleigh/Durham (RDU) to Charlotte (CLT)
Historically, this flight arrives 15+ minutes late 0% of the time. It was cancelled 0.0% of the time.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
Dallas-Fort Worth (DFW) to Charlotte (CLT)
Only 2 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 57.1% | 28 |
| October 2025 | 85.2% | 27 |
| November 2025 | 86.7% | 30 |
| December 2025 | 93.5% | 31 |
| January 2026 | 89.3% | 31 |
| February 2026 | 87.5% | 28 |
| March 2026 | 93.3% | 31 |
| April 2026 | 100.0% | 30 |
| May 2026 | 87.1% | 31 |
| June 2026 | 73.1% | 30 |
| July 2026 | 43.3% | 31 |
| August 2026 | 36.0% | 27 |
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