Schedule: the flights that flew on Thursday, Oct 22, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1921SCHEDULED · TYPICAL SCHEDULE
Today
UA 1921 · ORD → IAH
departs 5:46 PM CT · arrives 8:23 PM CT
Forecast issued Thu 3:00 PM ET · 4h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
27%chance · ±0 pts−17 pts · 24h
HOW SURE WE AREHigh. The odds now come mostly from live FAA and airport data.
How late will it get to IAH?
On time or early
73%
15–30 min late
10%
30 min–1 hour late
7%
1–2 hours late
7%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.