Flight AA852
American Airlines flight AA852
Looking for AA852 in the air…
Denver (DEN) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 189 minutes. It was cancelled 3.1% of the time.
- On-time arrivals
- 84.2%
- Less than 15 minutes late
- Cancelled
- 3.1%
- Of scheduled flights
- Average delay when late
- 189 min
- Flights arriving 15+ minutes late
- Flights tracked
- 256
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 69%
- Late-arriving aircraft 25%
- Air traffic control & airport 5%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to Washington (DCA)
Historically, this flight arrives 15+ minutes late 65% of the time, and when it is late the delay averages 118 minutes. It was cancelled 20.7% of the time.
- On-time arrivals
- 34.8%
- Less than 15 minutes late
- Cancelled
- 20.7%
- Of scheduled flights
- Average delay when late
- 118 min
- Flights arriving 15+ minutes late
- Flights tracked
- 29
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 84%
- Air traffic control & airport 11%
- Airline (crew, maintenance, cleaning) 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dallas-Fort Worth (DFW) to Las Vegas (LAS)
Only 2 flights on record, which is too few for reliable odds.
- On-time arrivals
- 0.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 40 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 82%
- Air traffic control & airport 10%
- Airline (crew, maintenance, cleaning) 8%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Washington (DCA) to Boston (BOS)
Only 1 flight 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
- 1
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 50.0% | 2 |
| October 2025 | 82.6% | 26 |
| November 2025 | 93.3% | 30 |
| December 2025 | 80.6% | 31 |
| January 2026 | 74.1% | 31 |
| February 2026 | 96.3% | 28 |
| March 2026 | 74.2% | 31 |
| April 2026 | 93.3% | 30 |
| May 2026 | 68.2% | 23 |
| July 2026 | 38.1% | 26 |
| August 2026 | 82.8% | 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