Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
UNITED · FLIGHT UA 2279SCHEDULED · TYPICAL SCHEDULE
UA 2279 · SFO → SEA
departs 4:27 PM PT · arrives 6:47 PM PT
Forecast issued Thu 3:00 PM ET · 52h before departure
Odds over time
Arrive at SEA more than 15 minutes late?
15%chance · ±0 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SEA?
On time or early
84%
15–30 min late
2%
30 min–1 hour late
8%
1–2 hours late
3%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.