Schedule: the flights that flew on Friday, Nov 6, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1580SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 1580 · ORD → BOS
departs 12:58 PM CT · arrives 4:27 PM ET
Forecast issued Thu 7:00 AM ET · 31h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
71%chance · ±2 pts+5 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to BOS?
On time or early
29%
15–30 min late
18%
30 min–1 hour late
22%
1–2 hours late
22%
Over 2 hours late
8%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.