F91523
F91523 (Frontier Airlines) flies St Louis to Dallas-Fort Worth. Of 34 departures recorded from April 2026 to July 2026, 72.7% left on time, according to the US BTS.
Recorded departures by month
Short series — F91523 has only 4 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods4 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | 4 | – |
| May | – | 11 | – |
| June | – | 4 | – |
| July | – | 15 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2026 → July 2026
On-time departures by month
Short series — F91523 has only 4 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods4 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | 100.0% | – |
| May | – | 80.0% | – |
| June | – | 75.0% | – |
| July | – | 60.0% | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2026 → July 2026
Average departure delay by month
Short series — F91523 has only 4 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · April 2026 → July 2026
Cancelled departures by month
Short series — F91523 has only 4 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods4 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | – | – |
| April | – | 0 | – |
| May | – | 1 | – |
| June | – | 0 | – |
| July | – | 0 | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2026 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 97.1% 33
- Cancelled 2.9% 1
Share of all recorded flights in the period, all legs. · Apr 17, 2026 → Jul 30, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL DFW St. Louis Lambert International Airport – Dallas Fort Worth International Airport | 885 | 89.2 min | 72.7% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2026 | 4 | 4 | 100.0% | 0 |
| May 2026 | 11 | 10 | 80.0% | 1 |
| June 2026 | 4 | 4 | 75.0% | 0 |
| July 2026 | 15 | 15 | 60.0% | 0 |