Flight OddsUA448 SFO → ONT
United Airlines · San Francisco, CA to Ontario, CA · 95 flights observed, 2025-07-01 to 2025-12-17 · 363 mi
UA448 covers more than one route in the data window — the stats below are for SFO → ONT, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
62%
Median delay
+9 min
90th percentile
+72 min
Cancellation rate
0%
How often is UA448 on time?
Across 95 flights on SFO → ONT from 2025-07-01 to 2025-12-17, UA448 arrived within 15 minutes of schedule 62% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +72 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 59 | 62% |
| 16-30 min | 8 | 8% |
| 31-60 min | 17 | 18% |
| 61-120 min | 8 | 8% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 57% | +29 min |
| 2025-08 | 18 | 67% | +22 min |
| 2025-09 | 6 | 17% | +34 min |
| 2025-10 | 25 | 60% | +18 min |
| 2025-12 | 16 | 88% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 69% |
| Tue | 14 | 57% |
| Wed | 14 | 57% |
| Thu | 14 | 64% |
| Fri | 13 | 54% |
| Sat | 14 | 71% |
| Sun | 13 | 62% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…