F91850
F91850 (Frontier Airlines) flies San Francisco to Las Vegas. Of 300 departures recorded from October 2024 to July 2026, 66.1% left on time, according to the US BTS.
- On-time departures66.1%of 300 flights
- Average delay23.7 min
- July 202630▲ 233.3%vs July 2025
- Cancelled1.7%
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 | 21 | 8 | ▼ 61.9% |
| February | 15 | 4 | ▼ 73.3% |
| March | 3 | 1 | ▼ 66.7% |
| April | 4 | 27 | ▲ 575.0% |
| May | 8 | 21 | ▲ 162.5% |
| June | 12 | 17 | ▲ 41.7% |
| July | 9 | 30 | ▲ 233.3% |
| August | 12 | – | – |
| September | 9 | – | – |
| October | 9 | – | in progress |
| November | 22 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 72 | 108 | ▲ 50.0% |
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 | 66.7% | 85.7% | ▲ 28.6% |
| February | 73.3% | 75.0% | ▲ 2.3% |
| March | 100.0% | 100.0% | 0.0% |
| April | 100.0% | 55.6% | ▼ 44.4% |
| May | 37.5% | 66.7% | ▲ 77.8% |
| June | 40.0% | 76.5% | ▲ 91.2% |
| July | 55.6% | 51.7% | ▼ 6.9% |
| August | 58.3% | – | – |
| September | 66.7% | – | – |
| October | 55.6% | – | in progress |
| November | 77.3% | – | – |
| December | 90.0% | – | – |
| Year-to-date average (Jan–Jul) | 67.6% | 73.0% | ▲ 8.0% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 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 98.3% 295
- Cancelled 1.7% 5
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 |
|---|---|---|---|---|
| SFO LAS San Francisco International Airport – Harry Reid International Airport | 665 | 23.7 min | 66.1% | 300 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 8 | 8 | 75.0% | 0 |
| November 2024 | 18 | 18 | 55.6% | 0 |
| December 2024 | 11 | 11 | 54.6% | 0 |
| January 2025 | 21 | 21 | 66.7% | 0 |
| February 2025 | 15 | 15 | 73.3% | 0 |
| March 2025 | 3 | 3 | 100.0% | 0 |
| April 2025 | 4 | 4 | 100.0% | 0 |
| May 2025 | 8 | 8 | 37.5% | 0 |
| June 2025 | 12 | 10 | 40.0% | 2 |
| July 2025 | 9 | 9 | 55.6% | 0 |
| August 2025 | 12 | 12 | 58.3% | 0 |
| September 2025 | 9 | 9 | 66.7% | 0 |
| October 2025 | 9 | 9 | 55.6% | 0 |
| November 2025 | 22 | 22 | 77.3% | 0 |
| December 2025 | 31 | 30 | 90.0% | 1 |
| January 2026 | 8 | 7 | 85.7% | 1 |
| February 2026 | 4 | 4 | 75.0% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |
| April 2026 | 27 | 27 | 55.6% | 0 |
| May 2026 | 21 | 21 | 66.7% | 0 |
| June 2026 | 17 | 17 | 76.5% | 0 |
| July 2026 | 30 | 29 | 51.7% | 1 |