Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
F9 1523 · St Louis (STL) → Dallas-Fort Worth (DFW)
Sold by Frontier. Still flying: 17 of the last 56 days (Tue, Thu, Sat, Sun).
Arrives on time69%within 15 minutes, of 34 flights
Cancelled2.9%of scheduled flights
An hour or more late19%of flights that operated
When late, on average307 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves STL
- 15:41
- Arrives DFW
- 17:43
- Flight time
- 2h 02m
- Days flown, last 8 weeks
- 17 of 56
Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.
How late it arrives
Share of flights that operated arriving more than this late.
Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.
Its hour at STL
All flights leaving St Louis (STL) at 3–4 pm, wherever they’re going: 68% left within 15 minutes and 2.2% were cancelled (3,716 flights in the year). Other Frontier flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.