F91093
F91093 (Frontier Airlines) flies Denver to San Francisco. Of 358 departures recorded from October 2024 to July 2026, 64.2% left on time, according to the US BTS.
- On-time departures64.2%of 358 flights
- Average delay21.3 min
- July 202622▲ 144.4%vs July 2025
- Cancelled0.3%
according to the US BTS · Oct 12, 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 | 13 | 14 | ▲ 7.7% |
| February | 20 | 12 | ▼ 40.0% |
| March | 31 | 27 | ▼ 12.9% |
| April | 16 | 20 | ▲ 25.0% |
| May | 4 | 26 | ▲ 550.0% |
| June | 5 | 20 | ▲ 300.0% |
| July | 9 | 22 | ▲ 144.4% |
| August | 11 | – | – |
| September | 13 | – | – |
| October | 13 | – | in progress |
| November | 10 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jul) | 98 | 141 | ▲ 43.9% |
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 | 61.5% | 92.9% | ▲ 50.9% |
| February | 65.0% | 83.3% | ▲ 28.2% |
| March | 83.9% | 85.2% | ▲ 1.6% |
| April | 75.0% | 45.0% | ▼ 40.0% |
| May | 75.0% | 46.2% | ▼ 38.5% |
| June | 60.0% | 45.0% | ▼ 25.0% |
| July | 22.2% | 13.6% | ▼ 38.6% |
| August | 54.6% | – | – |
| September | 76.9% | – | – |
| October | 84.6% | – | in progress |
| November | 30.0% | – | – |
| December | 33.3% | – | – |
| Year-to-date average (Jan–Jul) | 63.2% | 58.7% | ▼ 7.1% |
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 | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 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 99.7% 357
- Cancelled 0.3% 1
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 |
|---|---|---|---|---|
| DEN SFO Denver International Airport – San Francisco International Airport | 1,553 | 21.3 min | 64.2% | 358 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 25 | 24 | 70.8% | 1 |
| December 2024 | 24 | 24 | 87.5% | 0 |
| January 2025 | 13 | 13 | 61.5% | 0 |
| February 2025 | 20 | 20 | 65.0% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 16 | 16 | 75.0% | 0 |
| May 2025 | 4 | 4 | 75.0% | 0 |
| June 2025 | 5 | 5 | 60.0% | 0 |
| July 2025 | 9 | 9 | 22.2% | 0 |
| August 2025 | 11 | 11 | 54.6% | 0 |
| September 2025 | 13 | 13 | 76.9% | 0 |
| October 2025 | 13 | 13 | 84.6% | 0 |
| November 2025 | 10 | 10 | 30.0% | 0 |
| December 2025 | 3 | 3 | 33.3% | 0 |
| January 2026 | 14 | 14 | 92.9% | 0 |
| February 2026 | 12 | 12 | 83.3% | 0 |
| March 2026 | 27 | 27 | 85.2% | 0 |
| April 2026 | 20 | 20 | 45.0% | 0 |
| May 2026 | 26 | 26 | 46.2% | 0 |
| June 2026 | 20 | 20 | 45.0% | 0 |
| July 2026 | 22 | 22 | 13.6% | 0 |