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 1228SCHEDULED · TYPICAL SCHEDULE
UA 1228 · DEN → DAY
departs 6:06 PM MT · arrives 10:55 PM ET
Forecast issued Fri 6:00 AM ET · 62h before departure
Odds over time
Arrive at DAY more than 15 minutes late?
22%chance · ±4 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to DAY?
On time or early
78%
15–30 min late
8%
30 min–1 hour late
7%
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%.