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 1233SCHEDULED · TYPICAL SCHEDULE
Today
UA 1233 · DEN → EWR
departs 11:37 AM MT · arrives 5:31 PM ET
Forecast issued Fri 7:00 AM ET · 7h before departure
Odds over time
Arrive at EWR more than 15 minutes late?
55%chance · ±0 pts+22 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to EWR?
On time or early
42%
15–30 min late
32%
30 min–1 hour late
2%
1–2 hours late
13%
Over 2 hours late
4%
Cancelled
7%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.