Flight AA921
American Airlines flight AA921
Looking for AA921 in the air…
Sacramento (SMF) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 167 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 94.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 167 min
- Flights arriving 15+ minutes late
- Flights tracked
- 34
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 95%
- Air traffic control & airport 5%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Hartford (BDL) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 208 minutes. It was cancelled 6.7% of the time.
- On-time arrivals
- 89.3%
- Less than 15 minutes late
- Cancelled
- 6.7%
- Of scheduled flights
- Average delay when late
- 208 min
- Flights arriving 15+ minutes late
- Flights tracked
- 30
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 99%
- Air traffic control & airport 1%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Orlando (MCO)
Only 18 flights on record, which is too few for reliable odds.
- On-time arrivals
- 77.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 18
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 69%
- Late-arriving aircraft 18%
- Airline (crew, maintenance, cleaning) 13%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Miami (MIA) to Chicago (ORD)
Only 12 flights on record, which is too few for reliable odds.
- On-time arrivals
- 54.5%
- Less than 15 minutes late
- Cancelled
- 8.3%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 12
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 65%
- Late-arriving aircraft 25%
- Airline (crew, maintenance, cleaning) 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Los Angeles (LAX) to Dallas-Fort Worth (DFW)
Only 1 flight 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
- 19 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 79%
- Airline (crew, maintenance, cleaning) 21%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| November 2025 | 60.0% | 11 |
| December 2025 | 0.0% | 2 |
| January 2026 | 92.3% | 26 |
| February 2026 | 81.0% | 21 |
| March 2026 | 88.9% | 29 |
| April 2026 | 100.0% | 6 |
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