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 2637SCHEDULED · TYPICAL SCHEDULE
Yesterday
UA 2637 · DEN → GRR
departs 9:58 AM MT · arrives 2:35 PM ET
Forecast issued Fri 10:00 PM ET · 10h after departure
Odds over time
Arrive at GRR more than 15 minutes late?
14%chance · ±0 pts+5 pts · 24h
HOW SURE WE AREVery high. The odds now come almost entirely from live conditions.
How late will it get to GRR?
On time or early
85%
15–30 min late
9%
30 min–1 hour late
1%
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%.