Schedule: the flights that flew on Monday, Oct 19, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 577SCHEDULED · TYPICAL SCHEDULE
Yesterday
UA 577 · EWR → BOS
departs 1:23 PM ET · arrives 2:54 PM ET
Forecast issued Mon 11:00 PM ET · 10h after departure
Odds over time
Arrive at BOS more than 15 minutes late?
16%chance · ±0 pts−2 pts · 24h
HOW SURE WE AREVery high. The odds now come almost entirely from live conditions.
How late will it get to BOS?
On time or early
83%
15–30 min late
6%
30 min–1 hour late
2%
1–2 hours late
6%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.