Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
UNITED · FLIGHT UA 453SCHEDULED · TYPICAL SCHEDULE
Today
UA 453 · SYR → DEN
departs 4:15 PM ET · arrives 6:03 PM MT
Forecast issued Thu 3:00 AM ET · 13h before departure
Odds over time
Arrive at DEN more than 15 minutes late?
26%chance · ±0 pts+2 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to DEN?
On time or early
73%
15–30 min late
15%
30 min–1 hour late
5%
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%.