Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1389SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 1389 · DEN → SFO
departs 7:34 PM MT · arrives 9:20 PM PT
Forecast issued Fri 5:00 AM ET · 41h before departure
Odds over time
Arrive at SFO more than 15 minutes late?
22%chance · ±4 pts+0 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SFO?
On time or early
78%
15–30 min late
11%
30 min–1 hour late
5%
1–2 hours late
4%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.