Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
F9 4206 · Ontario (ONT) → Las Vegas (LAS)
Sold by Frontier. Not in the Jun 6 – Jul 31, 2026 schedule; last flew 2026-05-20.
Arrives on time73%within 15 minutes, of 121 flights
Cancelled0.0%of scheduled flights
An hour or more late13%of flights that operated
When late, on average81 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves ONT
- 21:49
- Arrives LAS
- 22:59
- Flight time
- 1h 10m
- Days flown, last 8 weeks
- 0 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 ONT
All flights leaving Ontario (ONT) at 9–10 pm, wherever they’re going: 68% left within 15 minutes and 0.4% were cancelled (540 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.