Flight OddsUA2251 ORD → SFO
United Airlines · Chicago, IL to San Francisco, CA · 69 flights observed, 2026-03-29 to 2026-06-30 · 1,846 mi
UA2251 covers more than one route in the data window — the stats below are for ORD → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+7 min
90th percentile
+73 min
Cancellation rate
0%
How often is UA2251 on time?
Across 69 flights on ORD → SFO from 2026-03-29 to 2026-06-30, UA2251 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +7 min, and the worst 10% of flights arrived +73 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 | 45 | 65% |
| 16-30 min | 10 | 14% |
| 31-60 min | 5 | 7% |
| 61-120 min | 6 | 9% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | +11 min |
| 2026-04 | 25 | 64% | +27 min |
| 2026-05 | 11 | 64% | +11 min |
| 2026-06 | 30 | 67% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 55% |
| Tue | 11 | 91% |
| Wed | 10 | 60% |
| Thu | 10 | 40% |
| Fri | 10 | 50% |
| Sat | 6 | 83% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…