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 2135SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 2135 · IAH → ORD
departs 5:09 PM CT · arrives 8:05 PM CT
Forecast issued Fri 4:00 PM ET · 26h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
23%chance · ±1 pts−10 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to ORD?
On time or early
76%
15–30 min late
6%
30 min–1 hour late
11%
1–2 hours late
4%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.