Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
F9 4346 · Los Angeles (LAX) → Denver (DEN)
Sold by Frontier. Still flying: 44 of the last 56 days (Daily).
Arrives on time80%within 15 minutes, of 138 flights
Cancelled0.7%of scheduled flights
An hour or more late9%of flights that operated
When late, on average105 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Denver is 1 h ahead of Los Angeles).
- Leaves LAX
- 14:54
- Arrives DEN
- 18:26
- Flight time
- 2h 32m
- Days flown, last 8 weeks
- 44 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 LAX
All flights leaving Los Angeles (LAX) at 2–3 pm, wherever they’re going: 75% left within 15 minutes and 0.8% were cancelled (9,180 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.