Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 2840SCHEDULED · TYPICAL SCHEDULE
UA 2840 · LAS → IAH
departs 12:59 AM PT · arrives 5:59 AM CT
Forecast issued Thu 11:00 PM ET · 29h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
13%chance · ±1 pts+0 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to IAH?
On time or early
87%
15–30 min late
8%
30 min–1 hour late
2%
1–2 hours late
<1%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.