Flight OddsUA433 SFO → SEA
United Airlines · San Francisco, CA to Seattle, WA · 137 flights observed, 2025-07-01 to 2025-12-01 · 679 mi
UA433 covers more than one route in the data window — the stats below are for SFO → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-9 min
90th percentile
+25 min
Cancellation rate
1%
How often is UA433 on time?
Across 137 flights on SFO → SEA from 2025-07-01 to 2025-12-01, UA433 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +25 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 115 | 85% |
| 16-30 min | 10 | 7% |
| 31-60 min | 7 | 5% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 23 | 87% | -4 min |
| 2025-08 | 25 | 80% | -1 min |
| 2025-09 | 30 | 80% | -1 min |
| 2025-10 | 31 | 90% | -4 min |
| 2025-11 | 25 | 88% | -4 min |
| 2025-12 | 1 | 100% | -18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 77% |
| Tue | 21 | 86% |
| Wed | 21 | 95% |
| Thu | 22 | 77% |
| Fri | 22 | 82% |
| Sat | 12 | 100% |
| Sun | 15 | 87% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…