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Is United Airlines on time Ontario to San Francisco?
1,007 flights · January 2025 – August 2026 · all airlines on ONT to SFO →
70.69%
Arrived on time
Route average 64.92%
0.4%
Cancelled
Route average 0.78%
66 min
When late, late by
The other airlines on this route
| Airline | Flights | On time | Grade |
|---|---|---|---|
| Frontier Airlines | 177 | 41.62% | F |
| SkyWest Airlines | 106 | 48.08% | F |
Month by month
Jul 2025
peak 92
Jun 2026