Flight OddsUA2866 SEA → SFO
United Airlines · Seattle, WA to San Francisco, CA · 85 flights observed, 2026-03-29 to 2026-06-30 · 679 mi
UA2866 covers more than one route in the data window — the stats below are for SEA → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
61%
Median delay
+6 min
90th percentile
+94 min
Cancellation rate
0%
How often is UA2866 on time?
Across 85 flights on SEA → SFO from 2026-03-29 to 2026-06-30, UA2866 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +94 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 | 52 | 61% |
| 16-30 min | 5 | 6% |
| 31-60 min | 11 | 13% |
| 61-120 min | 10 | 12% |
| 2+ hrs | 7 | 8% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | +103 min |
| 2026-04 | 30 | 67% | +17 min |
| 2026-05 | 26 | 69% | +23 min |
| 2026-06 | 26 | 46% | +45 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 43% |
| Tue | 11 | 55% |
| Wed | 13 | 69% |
| Thu | 13 | 54% |
| Fri | 13 | 77% |
| Sat | 12 | 75% |
| Sun | 9 | 56% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…