Schedule: the flights that flew on Wednesday, Oct 21, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 3877SCHEDULED · TYPICAL SCHEDULE
Yesterday
UA 3877 · ORD → RFD
departs 8:29 PM CT · arrives 9:21 PM CT
Forecast issued Wed 11:00 PM ET · 2h after departure
Odds over time
Arrive at RFD more than 15 minutes late?
28%chance · ±0 pts+3 pts · 24h
HOW SURE WE AREVery high. The odds now come almost entirely from live conditions.
How late will it get to RFD?
On time or early
72%
15–30 min late
12%
30 min–1 hour late
7%
1–2 hours late
6%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.