Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1527SCHEDULED · TYPICAL SCHEDULE
UA 1527 · EWR → STL
departs 10:17 PM ET · arrives 11:44 PM CT
Forecast issued Fri 6:00 AM ET · 64h before departure
Odds over time
Arrive at STL more than 15 minutes late?
41%chance · ±5 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to STL?
On time or early
58%
15–30 min late
7%
30 min–1 hour late
13%
1–2 hours late
14%
Over 2 hours late
7%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.