Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1940SCHEDULED · TYPICAL SCHEDULE
UA 1940 · DEN → SAN
departs 11:15 AM MT · arrives 12:41 PM PT
Forecast issued Fri 3:00 AM ET · 58h before departure
Odds over time
Arrive at SAN more than 15 minutes late?
16%chance · ±5 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to SAN?
On time or early
83%
15–30 min late
5%
30 min–1 hour late
4%
1–2 hours late
5%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.