Schedule: the flights that flew on Monday, Nov 2, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 3919SCHEDULED · TYPICAL SCHEDULE
UA 3919 · IAH → IAD
departs 3:14 PM CT · arrives 7:25 PM ET
Forecast issued Sat 5:00 PM ET · 47h before departure
Odds over time
Arrive at IAD more than 15 minutes late?
20%chance · ±3 pts+2 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to IAD?
On time or early
80%
15–30 min late
4%
30 min–1 hour late
9%
1–2 hours late
5%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.