Flight AA2635
American Airlines flight AA2635
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Alerts at this flight's airports
Dallas-Fort Worth (DFW) to Ontario (ONT)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 73 minutes. It was cancelled 1.6% of the time.
- On-time arrivals
- 84.2%
- Less than 15 minutes late
- Cancelled
- 1.6%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 244
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Airline (crew, maintenance, cleaning) 28%
- Extreme weather 18%
- Air traffic control & airport 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Ontario (ONT) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 27% of the time, and when it is late the delay averages 60 minutes. It was cancelled 3.8% of the time.
- On-time arrivals
- 72.6%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 240
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Air traffic control & airport 24%
- Airline (crew, maintenance, cleaning) 23%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
San Francisco (SFO) to Philadelphia (PHL)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 49 minutes. It was cancelled 2.4% of the time.
- On-time arrivals
- 82.5%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 41
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 77%
- Air traffic control & airport 23%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Charlotte (CLT) to Raleigh/Durham (RDU)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 43 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 90.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 43 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 71%
- Airline (crew, maintenance, cleaning) 28%
- Air traffic control & airport 1%
- 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 9% of the time, and when it is late the delay averages 41 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 90.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 41 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 60%
- Airline (crew, maintenance, cleaning) 40%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Tucson (TUS)
Historically, this flight arrives 15+ minutes late 44% of the time, and when it is late the delay averages 84 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 56.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 84 min
- Flights arriving 15+ minutes late
- Flights tracked
- 32
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 64%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 2%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.8% | 60 |
| October 2025 | 72.9% | 61 |
| November 2025 | 71.9% | 57 |
| December 2025 | 86.7% | 60 |
| January 2026 | 70.2% | 62 |
| February 2026 | 79.6% | 56 |
| March 2026 | 86.4% | 62 |
| April 2026 | 94.1% | 51 |
| May 2026 | 75.7% | 37 |
| June 2026 | 89.7% | 30 |
| July 2026 | 56.7% | 30 |
| August 2026 | 75.4% | 57 |
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