AA437
AA437 (American Airlines) is a multi-stop service on 3 routes, busiest Las Vegas to Philadelphia. Of 385 departures recorded from October 2024 to July 2026, 81.9% left on time, according to the US BTS.
- On-time departures81.9%of 385 flights
- Average delay13.2 min
- July 202630▼ 3.2%vs July 2025
- Cancelled2.6%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 6 | – | – |
| February | – | – | – |
| March | 2 | – | – |
| April | 30 | 24 | ▼ 20.0% |
| May | 31 | 30 | ▼ 3.2% |
| June | 30 | 30 | 0.0% |
| July | 31 | 30 | ▼ 3.2% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | – | – |
| February | – | – | – |
| March | 0.0% | – | – |
| April | 83.3% | 91.7% | ▲ 10.0% |
| May | 89.7% | 90.0% | ▲ 0.4% |
| June | 77.8% | 72.4% | ▼ 6.9% |
| July | 75.9% | 62.1% | ▼ 18.2% |
| August | 93.1% | – | – |
| September | 93.3% | – | – |
| October | 87.1% | – | in progress |
| November | 100.0% | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | – | – | – |
| March | 1 | – | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 3 | 1 | ▼ 66.7% |
| July | 2 | 1 | ▼ 50.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
according to the US BTS · October 2024 → July 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 97.4% 375
- Cancelled 2.6% 10
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 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 |
|---|---|---|---|---|
| LAS PHL Harry Reid International Airport – Philadelphia International Airport | 3,494 | 12.4 min | 83.1% | 329 |
| DEN PHL Denver International Airport – Philadelphia International Airport | 2,501 | 12.9 min | 68.8% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 80.0% | 0 |
| November 2024 | 12 | 12 | 83.3% | 0 |
| December 2024 | 18 | 18 | 61.1% | 0 |
| January 2025 | 6 | 6 | 83.3% | 0 |
| March 2025 | 2 | 1 | 0.0% | 1 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 29 | 89.7% | 2 |
| June 2025 | 30 | 27 | 77.8% | 3 |
| July 2025 | 31 | 29 | 75.9% | 2 |
| August 2025 | 29 | 29 | 93.1% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| April 2026 | 24 | 24 | 91.7% | 0 |
| May 2026 | 30 | 30 | 90.0% | 0 |
| June 2026 | 30 | 29 | 72.4% | 1 |
| July 2026 | 30 | 29 | 62.1% | 1 |