Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 2463SCHEDULED · TYPICAL SCHEDULE
UA 2463 · SEA → IAD
departs 8:15 AM PT · arrives 4:24 PM ET
Forecast issued Sat 12:00 PM ET · 47h before departure
Odds over time
Arrive at IAD more than 15 minutes late?
17%chance · ±2 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
82%
15–30 min late
9%
30 min–1 hour late
4%
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%.