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 1501SCHEDULED · TYPICAL SCHEDULE
UA 1501 · IAH → TPA
departs 12:50 PM CT · arrives 4:12 PM ET
Forecast issued Fri 7:00 AM ET · 55h before departure
Odds over time
Arrive at TPA more than 15 minutes late?
30%chance · ±5 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to TPA?
On time or early
70%
15–30 min late
6%
30 min–1 hour late
14%
1–2 hours late
3%
Over 2 hours late
5%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.