Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 459SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 459 · PDX → DEN
departs 5:00 AM PT · arrives 8:31 AM MT
Forecast issued Thu 11:00 PM ET · 9h before departure
Odds over time
Arrive at DEN more than 15 minutes late?
9%chance · ±0 pts+5 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
87%
15–30 min late
6%
30 min–1 hour late
<1%
1–2 hours late
<1%
Over 2 hours late
<1%
Cancelled
5%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.