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 2171SCHEDULED · TYPICAL SCHEDULE
Today
UA 2171 · ONT → ORD
departs 6:10 AM PT · arrives 12:25 PM CT
Forecast issued Fri 4:00 AM ET · 5h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
14%chance · ±0 pts+8 pts · 24h
HOW SURE WE AREHigh. The odds now come mostly from live FAA and airport data.
How late will it get to ORD?
On time or early
73%
15–30 min late
8%
30 min–1 hour late
<1%
1–2 hours late
<1%
Over 2 hours late
2%
Cancelled
15%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.