Flight OddsONT → SFO United Airlines
United Airlines · Ontario, CA to San Francisco, CA · 1,113 flights, 2025-07-01 to 2026-06-30 · aggregated across 35 flight numbers
On-time arrival
69%
Median delay
-2 min
90th percentile
+62 min
Cancellation rate
1%
How on-time is United Airlines from ONT to SFO?
Across every United Airlines flight number on ONT → SFO (1,113 flights, 2025-07-01 to 2026-06-30), 69% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +62 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 765 | 69% |
| 16-30 min | 110 | 10% |
| 31-60 min | 118 | 11% |
| 61-120 min | 67 | 6% |
| 2+ hrs | 47 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 92 | 79% | +4 min |
| 2025-08 | 93 | 75% | +12 min |
| 2025-09 | 91 | 69% | +12 min |
| 2025-10 | 96 | 60% | +21 min |
| 2025-11 | 82 | 76% | +16 min |
| 2025-12 | 88 | 75% | +11 min |
| 2026-01 | 86 | 84% | +15 min |
| 2026-02 | 79 | 72% | +8 min |
| 2026-03 | 93 | 92% | -11 min |
| 2026-04 | 111 | 59% | +21 min |
| 2026-05 | 106 | 49% | +30 min |
| 2026-06 | 90 | 46% | +34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 162 | 65% |
| Tue | 152 | 77% |
| Wed | 149 | 66% |
| Thu | 158 | 66% |
| Fri | 164 | 68% |
| Sat | 154 | 76% |
| Sun | 168 | 67% |
UA flight numbers on ONT → SFO
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…