Schedule: the flights that flew on Wednesday, Oct 7, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 599SCHEDULED · TYPICAL SCHEDULE
UA 599 · SFO → IAD
departs 8:17 AM PT · arrives 4:47 PM ET
Forecast issued Mon 9:00 AM ET · 50h before departure
Odds over time
Arrive at IAD more than 15 minutes late?
10%chance · ±1 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
90%
15–30 min late
5%
30 min–1 hour late
2%
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%.