Flight OddsSFO → SEA United Airlines
United Airlines · San Francisco, CA to Seattle, WA · 2,299 flights, 2025-07-01 to 2026-06-30 · aggregated across 57 flight numbers
On-time arrival
77%
Median delay
-5 min
90th percentile
+44 min
Cancellation rate
0%
How on-time is United Airlines from SFO to SEA?
Across every United Airlines flight number on SFO → SEA (2,299 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +44 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,759 | 77% |
| 16-30 min | 209 | 9% |
| 31-60 min | 160 | 7% |
| 61-120 min | 102 | 4% |
| 2+ hrs | 57 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 205 | 70% | +11 min |
| 2025-08 | 200 | 76% | +6 min |
| 2025-09 | 188 | 80% | -1 min |
| 2025-10 | 204 | 82% | +3 min |
| 2025-11 | 216 | 82% | +4 min |
| 2025-12 | 197 | 78% | +12 min |
| 2026-01 | 149 | 88% | +0 min |
| 2026-02 | 154 | 82% | +1 min |
| 2026-03 | 175 | 87% | -2 min |
| 2026-04 | 152 | 83% | -2 min |
| 2026-05 | 218 | 67% | +11 min |
| 2026-06 | 229 | 59% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 346 | 74% |
| Tue | 303 | 83% |
| Wed | 330 | 76% |
| Thu | 336 | 74% |
| Fri | 337 | 71% |
| Sat | 295 | 88% |
| Sun | 340 | 74% |
UA flight numbers on SFO → SEA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…