Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

F9 2677 · Ontario (ONT) → San Francisco (SFO)

Sold by Frontier. Still flying: 29 of the last 56 days (Daily).

Arrives on time42%within 15 minutes, of 169 flights
Cancelled2.4%of scheduled flights
An hour or more late22%of flights that operated
When late, on average71 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.

Leaves ONT
20:36
Arrives SFO
22:13
Flight time
1h 37m
Days flown, last 8 weeks
29 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.

15+ min late58%
30+ min late49%
1h+ late22%
2h+ late7%
20%40%60% 015301h1h302h3h

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 8–9 pm, wherever they’re going: 64% left within 15 minutes and 0.4% were cancelled (672 flights in the year). Other Frontier flights on this route →

Upcoming forecasts

This flight isn’t in our published forecasts for the next few days.