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 8166SCHEDULED · TYPICAL SCHEDULE
Today
UA 8166 · SFO → ORD
departs 10:32 PM PT · arrives 4:43 AM CT
Forecast issued Thu 11:00 PM ET · 2h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
25%chance · ±0 pts−2 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
75%
15–30 min late
9%
30 min–1 hour late
11%
1–2 hours late
2%
Over 2 hours late
1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.