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 1220SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 1220 · DEN → DTW
departs 5:47 PM MT · arrives 10:43 PM ET
Forecast issued Fri 2:00 AM ET · 42h before departure
Odds over time
Arrive at DTW more than 15 minutes late?
19%chance · ±1 pts+0 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to DTW?
On time or early
81%
15–30 min late
8%
30 min–1 hour late
5%
1–2 hours late
4%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.