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 2139SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 2139 · ORD → BOI
departs 8:35 AM CT · arrives 11:19 AM MT
Forecast issued Tue 1:00 AM ET · 33h before departure
Odds over time
Arrive at BOI more than 15 minutes late?
12%chance · ±1 pts+2 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to BOI?
On time or early
88%
15–30 min late
6%
30 min–1 hour late
3%
1–2 hours late
1%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.