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 1631SCHEDULED · TYPICAL SCHEDULE
Yesterday
UA 1631 · EWR → LAS
departs 9:00 AM ET · arrives 11:28 AM PT
Forecast issued Fri 10:00 PM ET · 13h after departure
Odds over time
Arrive at LAS more than 15 minutes late?
15%chance · ±0 pts−18 pts · 24h
HOW SURE WE AREVery high. The odds now come almost entirely from live conditions.
How late will it get to LAS?
On time or early
85%
15–30 min late
8%
30 min–1 hour late
3%
1–2 hours late
<1%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.