F91517
F91517 (Frontier Airlines) flies Philadelphia to Raleigh. Of 397 departures recorded from October 2024 to July 2026, 77.4% left on time, according to the US BTS.
- On-time departures77.4%of 397 flights
- Average delay16.8 min
- July 202622▼ 29.0%vs July 2025
- Cancelled2.0%
Recorded departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 23 | ▲ 475.0% |
| February | 2 | 16 | ▲ 700.0% |
| March | – | 11 | – |
| April | 4 | 23 | ▲ 475.0% |
| May | 25 | 19 | ▼ 24.0% |
| June | 30 | 21 | ▼ 30.0% |
| July | 31 | 22 | ▼ 29.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 7 | – | – |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 90.0% | ▼ 10.0% |
| February | 50.0% | 66.7% | ▲ 33.3% |
| March | – | 70.0% | – |
| April | 50.0% | 69.6% | ▲ 39.1% |
| May | 64.0% | 100.0% | ▲ 56.3% |
| June | 76.7% | 73.7% | ▼ 3.9% |
| July | 83.9% | 61.9% | ▼ 26.2% |
| August | 77.4% | – | – |
| September | 83.3% | – | – |
| October | 87.1% | – | in progress |
| November | 73.3% | – | – |
| December | 42.9% | – | – |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 0 | 1 | – |
| March | – | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.0% 389
- Cancelled 2.0% 8
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHL RDU Philadelphia International Airport – Raleigh-Durham International Airport | 542 | 16.8 min | 77.4% | 397 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 82.4% | 0 |
| November 2024 | 18 | 18 | 83.3% | 0 |
| December 2024 | 2 | 2 | 100.0% | 0 |
| January 2025 | 4 | 4 | 100.0% | 0 |
| February 2025 | 2 | 2 | 50.0% | 0 |
| April 2025 | 4 | 4 | 50.0% | 0 |
| May 2025 | 25 | 25 | 64.0% | 0 |
| June 2025 | 30 | 30 | 76.7% | 0 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 31 | 31 | 77.4% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 30 | 30 | 73.3% | 0 |
| December 2025 | 7 | 7 | 42.9% | 0 |
| January 2026 | 23 | 20 | 90.0% | 3 |
| February 2026 | 16 | 15 | 66.7% | 1 |
| March 2026 | 11 | 10 | 70.0% | 1 |
| April 2026 | 23 | 23 | 69.6% | 0 |
| May 2026 | 19 | 19 | 100.0% | 0 |
| June 2026 | 21 | 19 | 73.7% | 2 |
| July 2026 | 22 | 21 | 61.9% | 1 |