Flight OddsUA4781 PDX → SFO
United Airlines · Portland, OR to San Francisco, CA · 80 flights observed, 2025-07-01 to 2025-09-24 · 550 mi
UA4781 covers more than one route in the data window — the stats below are for PDX → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
98%
Median delay
-17 min
90th percentile
-5 min
Cancellation rate
0%
How often is UA4781 on time?
Across 80 flights on PDX → SFO from 2025-07-01 to 2025-09-24, UA4781 arrived within 15 minutes of schedule 98% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived -5 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 | 78 | 98% |
| 16-30 min | 1 | 1% |
| 31-60 min | 1 | 1% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 97% | -14 min |
| 2025-08 | 29 | 100% | -12 min |
| 2025-09 | 21 | 95% | -17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 100% |
| Tue | 13 | 100% |
| Wed | 13 | 92% |
| Thu | 12 | 100% |
| Fri | 12 | 100% |
| Sat | 6 | 100% |
| Sun | 12 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…