Flight OddsSEA → SFO United Airlines
United Airlines · Seattle, WA to San Francisco, CA · 2,296 flights, 2025-07-01 to 2026-06-30 · aggregated across 59 flight numbers
On-time arrival
69%
Median delay
-4 min
90th percentile
+68 min
Cancellation rate
1%
How on-time is United Airlines from SEA to SFO?
Across every United Airlines flight number on SEA → SFO (2,296 flights, 2025-07-01 to 2026-06-30), 69% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +68 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,570 | 69% |
| 16-30 min | 209 | 9% |
| 31-60 min | 233 | 10% |
| 61-120 min | 166 | 7% |
| 2+ hrs | 95 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 203 | 78% | +7 min |
| 2025-08 | 199 | 82% | +6 min |
| 2025-09 | 186 | 84% | -1 min |
| 2025-10 | 203 | 79% | +6 min |
| 2025-11 | 214 | 77% | +7 min |
| 2025-12 | 198 | 72% | +13 min |
| 2026-01 | 149 | 79% | +8 min |
| 2026-02 | 153 | 80% | +14 min |
| 2026-03 | 175 | 86% | +3 min |
| 2026-04 | 151 | 40% | +30 min |
| 2026-05 | 213 | 43% | +37 min |
| 2026-06 | 229 | 35% | +38 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 342 | 64% |
| Tue | 308 | 77% |
| Wed | 326 | 67% |
| Thu | 331 | 67% |
| Fri | 341 | 63% |
| Sat | 293 | 77% |
| Sun | 332 | 70% |
UA flight numbers on SEA → SFO
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…