F91859
F91859 (Frontier Airlines) flies Austin to Denver. Of 89 departures recorded from March 2025 to July 2026, 83.0% left on time, according to the US BTS.
Recorded departures by month
Short series — F91859 has only 8 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods8 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 10 | – |
| March | 1 | 14 | ▲ 1,300.0% |
| April | 3 | 1 | ▼ 66.7% |
| May | – | 11 | – |
| June | – | 30 | – |
| July | – | 19 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → July 2026
On-time departures by month
Short series — F91859 has only 8 months so far. Enough to show the level now, not enough to read a trend.
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 periods8 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 100.0% | – |
| March | 100.0% | 78.6% | ▼ 21.4% |
| April | 66.7% | 100.0% | ▲ 50.0% |
| May | – | 100.0% | – |
| June | – | 80.0% | – |
| July | – | 72.2% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → July 2026
Average departure delay by month
Short series — F91859 has only 8 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · March 2025 → July 2026
Cancelled departures by month
Short series — F91859 has only 8 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods8 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | 1 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 98.9% 88
- Cancelled 1.1% 1
Share of all recorded flights in the period, all legs. · Mar 6, 2025 → Jul 30, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| AUS DEN Austin Bergstrom International Airport – Denver International Airport | 1,249 | 2.5 min | 83.0% | 89 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 3 | 3 | 66.7% | 0 |
| February 2026 | 10 | 10 | 100.0% | 0 |
| March 2026 | 14 | 14 | 78.6% | 0 |
| April 2026 | 1 | 1 | 100.0% | 0 |
| May 2026 | 11 | 11 | 100.0% | 0 |
| June 2026 | 30 | 30 | 80.0% | 0 |
| July 2026 | 19 | 18 | 72.2% | 1 |