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 644SCHEDULED · TYPICAL SCHEDULE
UA 644 · DEN → PDX
departs 11:27 AM MT · arrives 1:09 PM PT
Forecast issued Fri 10:00 PM ET · 9h after departure
Odds over time
Arrive at PDX more than 15 minutes late?
12%chance · ±0 pts+1 pt · 24h
HOW SURE WE AREVery high. The odds now come almost entirely from live conditions.
How late will it get to PDX?
On time or early
87%
15–30 min late
4%
30 min–1 hour late
4%
1–2 hours late
3%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.