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 1542SCHEDULED · TYPICAL SCHEDULE
Today
UA 1542 · IAH → SAT
departs 8:05 PM CT · arrives 9:13 PM CT
Forecast issued Fri 7:00 AM ET · 14h before departure
Odds over time
Arrive at SAT more than 15 minutes late?
37%chance · ±6 pts−5 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to SAT?
On time or early
62%
15–30 min late
8%
30 min–1 hour late
17%
1–2 hours late
8%
Over 2 hours late
3%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.