Flight history · Aug 2025 – Jul 2026 · US DOT on-time records
UA 5624 · Ontario (ONT) → San Francisco (SFO)
Sold by United, flown by SkyWest. Still flying: 46 of the last 56 days (Mon, Wed, Thu, Fri, Sun).
Arrives on time16%within 15 minutes, of 62 flights
Cancelled1.6%of scheduled flights
An hour or more late30%of flights that operated
When late, on average54 minlate, among flights 15+ min late
Schedule
Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.
- Leaves ONT
- 18:39
- Arrives SFO
- 20:07
- Flight time
- 1h 28m
- Days flown, last 8 weeks
- 46 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 6–7 pm, wherever they’re going: 69% left within 15 minutes and 0.7% were cancelled (1,323 flights in the year). Other United flights on this route →
Upcoming forecasts
Our odds that this flight is late or cancelled on the days we publish.