Flight OddsORD → SFO United Airlines
United Airlines · Chicago, IL to San Francisco, CA · 3,813 flights, 2025-07-01 to 2026-06-30 · aggregated across 72 flight numbers
On-time arrival
70%
Median delay
-1 min
90th percentile
+70 min
Cancellation rate
1%
How on-time is United Airlines from ORD to SFO?
Across every United Airlines flight number on ORD → SFO (3,813 flights, 2025-07-01 to 2026-06-30), 70% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +70 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 2,658 | 70% |
| 16-30 min | 341 | 9% |
| 31-60 min | 330 | 9% |
| 61-120 min | 249 | 7% |
| 2+ hrs | 194 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 316 | 66% | +18 min |
| 2025-08 | 309 | 75% | +12 min |
| 2025-09 | 316 | 78% | +7 min |
| 2025-10 | 336 | 75% | +10 min |
| 2025-11 | 312 | 70% | +18 min |
| 2025-12 | 307 | 67% | +20 min |
| 2026-01 | 274 | 76% | +10 min |
| 2026-02 | 250 | 76% | +7 min |
| 2026-03 | 298 | 83% | +3 min |
| 2026-04 | 339 | 66% | +18 min |
| 2026-05 | 368 | 64% | +22 min |
| 2026-06 | 347 | 54% | +30 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 562 | 67% |
| Tue | 529 | 79% |
| Wed | 520 | 68% |
| Thu | 553 | 71% |
| Fri | 558 | 69% |
| Sat | 499 | 74% |
| Sun | 551 | 66% |
UA flight numbers on ORD → SFO
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…