Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1783SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 1783 · LAX → BOS
departs 8:35 AM PT · arrives 5:20 PM ET
Forecast issued Fri 3:00 AM ET · 33h before departure
Odds over time
Arrive at BOS more than 15 minutes late?
15%chance · ±0 pts+2 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
85%
15–30 min late
6%
30 min–1 hour late
5%
1–2 hours late
2%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.