Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
F9 2678 · San Francisco (SFO) → Ontario (ONT)
Sold by Frontier. Still flying: 56 of the last 56 days (Daily).
Arrives on time58%within 15 minutes, of 196 flights
Cancelled3.1%of scheduled flights
An hour or more late17%of flights that operated
When late, on average97 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves SFO
- 09:41
- Arrives ONT
- 11:13
- Flight time
- 1h 34m
- Days flown, last 8 weeks
- 56 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 SFO
All flights leaving San Francisco (SFO) at 9–10 am, wherever they’re going: 82% left within 15 minutes and 0.9% were cancelled (9,031 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.