F91204
F91204 (Frontier Airlines) flies Miami to Philadelphia. Of 375 departures recorded from October 2024 to July 2026, 70.3% left on time, according to the US BTS.
- On-time departures70.3%of 375 flights
- Average delay22.0 min
- July 202629▲ 70.6%vs July 2025
- Cancelled2.1%
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 16 | 9 | ▼ 43.8% |
| February | 24 | 4 | ▼ 83.3% |
| March | 23 | 21 | ▼ 8.7% |
| April | 30 | 8 | ▼ 73.3% |
| May | 23 | 14 | ▼ 39.1% |
| June | 14 | 21 | ▲ 50.0% |
| July | 17 | 29 | ▲ 70.6% |
| August | 20 | – | – |
| September | 13 | – | – |
| October | 14 | – | in progress |
| November | 14 | – | – |
| December | 7 | – | – |
| Year to date (Jan–Jul) | 147 | 106 | ▼ 27.9% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 68.8% | 88.9% | ▲ 29.3% |
| February | 91.7% | 75.0% | ▼ 18.2% |
| March | 95.5% | 55.0% | ▼ 42.4% |
| April | 70.0% | 62.5% | ▼ 10.7% |
| May | 82.6% | 92.9% | ▲ 12.4% |
| June | 42.9% | 47.6% | ▲ 11.1% |
| July | 41.2% | 34.6% | ▼ 15.9% |
| August | 75.0% | – | – |
| September | 69.2% | – | – |
| October | 71.4% | – | in progress |
| November | 76.9% | – | – |
| December | 66.7% | – | – |
| Year-to-date average (Jan–Jul) | 70.4% | 65.2% | ▼ 7.3% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 3 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 97.9% 367
- Cancelled 2.1% 8
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MIA PHL Miami International Airport – Philadelphia International Airport | 1,634 | 22.0 min | 70.3% | 375 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 72.7% | 0 |
| November 2024 | 21 | 21 | 76.2% | 0 |
| December 2024 | 22 | 21 | 95.2% | 1 |
| January 2025 | 16 | 16 | 68.8% | 0 |
| February 2025 | 24 | 24 | 91.7% | 0 |
| March 2025 | 23 | 22 | 95.5% | 1 |
| April 2025 | 30 | 30 | 70.0% | 0 |
| May 2025 | 23 | 23 | 82.6% | 0 |
| June 2025 | 14 | 14 | 42.9% | 0 |
| July 2025 | 17 | 17 | 41.2% | 0 |
| August 2025 | 20 | 20 | 75.0% | 0 |
| September 2025 | 13 | 13 | 69.2% | 0 |
| October 2025 | 14 | 14 | 71.4% | 0 |
| November 2025 | 14 | 13 | 76.9% | 1 |
| December 2025 | 7 | 6 | 66.7% | 1 |
| January 2026 | 9 | 9 | 88.9% | 0 |
| February 2026 | 4 | 4 | 75.0% | 0 |
| March 2026 | 21 | 20 | 55.0% | 1 |
| April 2026 | 8 | 8 | 62.5% | 0 |
| May 2026 | 14 | 14 | 92.9% | 0 |
| June 2026 | 21 | 21 | 47.6% | 0 |
| July 2026 | 29 | 26 | 34.6% | 3 |