Flight OddsUA448 ORD → SFO
United Airlines · Chicago, IL to San Francisco, CA · 89 flights observed, 2025-08-19 to 2025-12-17 · 1,846 mi
UA448 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
75%
Median delay
-5 min
90th percentile
+68 min
Cancellation rate
0%
How often is UA448 on time?
Across 89 flights on ORD → SFO from 2025-08-19 to 2025-12-17, UA448 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +68 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 | 67 | 75% |
| 16-30 min | 6 | 7% |
| 31-60 min | 5 | 6% |
| 61-120 min | 8 | 9% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 54% | +16 min |
| 2025-09 | 24 | 75% | +9 min |
| 2025-10 | 6 | 100% | -19 min |
| 2025-11 | 29 | 72% | +18 min |
| 2025-12 | 17 | 88% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 85% |
| Tue | 14 | 93% |
| Wed | 14 | 79% |
| Thu | 11 | 73% |
| Fri | 12 | 83% |
| Sat | 12 | 42% |
| Sun | 13 | 69% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…