Flight OddsUA1424 SEA → SFO
United Airlines · Seattle, WA to San Francisco, CA · 73 flights observed, 2025-10-26 to 2026-03-04 · 679 mi
UA1424 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
83%
Median delay
-13 min
90th percentile
+63 min
Cancellation rate
1%
How often is UA1424 on time?
Across 73 flights on SEA → SFO from 2025-10-26 to 2026-03-04, UA1424 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +63 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 | 60 | 83% |
| 16-30 min | 2 | 3% |
| 31-60 min | 1 | 1% |
| 61-120 min | 5 | 7% |
| 2+ hrs | 4 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 83% | -7 min |
| 2025-11 | 28 | 79% | +14 min |
| 2025-12 | 17 | 88% | +7 min |
| 2026-02 | 17 | 82% | +14 min |
| 2026-03 | 4 | 100% | -24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 11 | 91% |
| Tue | 11 | 91% |
| Wed | 11 | 91% |
| Thu | 9 | 67% |
| Fri | 10 | 80% |
| Sat | 9 | 89% |
| Sun | 11 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…