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 2120SCHEDULED · TYPICAL SCHEDULE
Today
UA 2120 · EWR → DEN
departs 2:40 PM ET · arrives 4:58 PM MT
Forecast issued Thu 11:00 PM ET · 16h before departure
Odds over time
Arrive at DEN more than 15 minutes late?
30%chance · ±2 pts−9 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
70%
15–30 min late
11%
30 min–1 hour late
8%
1–2 hours late
3%
Over 2 hours late
7%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.