AA451
AA451 (American Airlines) is a multi-stop service on 6 routes, busiest Philadelphia to Dallas-Fort Worth. Of 232 departures recorded from October 2024 to May 2026, 81.3% left on time, according to the US BTS.
- On-time departures81.3%of 232 flights
- Average delay23.6 min
- May 202620
- Cancelled0.9%
- Legs flown under this number6
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | – | – |
| February | 28 | – | – |
| March | 31 | – | – |
| April | 3 | 23 | ▲ 666.7% |
| May | – | 20 | – |
| June | 8 | – | – |
| July | 8 | – | – |
| August | 6 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 76.7% | – | – |
| February | 92.6% | – | – |
| March | 64.5% | – | – |
| April | 66.7% | 87.0% | ▲ 30.4% |
| May | – | 85.0% | – |
| June | 100.0% | – | – |
| July | 62.5% | – | – |
| August | 83.3% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | – | – |
| February | 1 | – | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → May 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.1% 230
- Cancelled 0.9% 2
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 20, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHL DFW Philadelphia International Airport – Dallas Fort Worth International Airport | 2,093 | 29.6 min | 81.1% | 145 |
| SAT PHL San Antonio International Airport – Philadelphia International Airport | 2,404 | 18.4 min | 86.1% | 43 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 85.7% | 0 |
| November 2024 | 29 | 29 | 89.7% | 0 |
| December 2024 | 31 | 31 | 77.4% | 0 |
| January 2025 | 31 | 30 | 76.7% | 1 |
| February 2025 | 28 | 27 | 92.6% | 1 |
| March 2025 | 31 | 31 | 64.5% | 0 |
| April 2025 | 3 | 3 | 66.7% | 0 |
| June 2025 | 8 | 8 | 100.0% | 0 |
| July 2025 | 8 | 8 | 62.5% | 0 |
| August 2025 | 6 | 6 | 83.3% | 0 |
| April 2026 | 23 | 23 | 87.0% | 0 |
| May 2026 | 20 | 20 | 85.0% | 0 |