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.
ALASKA · FLIGHT AS 4SCHEDULED · TYPICAL SCHEDULE
AS 4 · SEA → DCA
departs 8:00 AM PT · arrives 4:16 PM ET
Forecast issued Mon 11:00 AM ET · 48h before departure
Odds over time
Arrive at DCA more than 15 minutes late?
18%chance · ±1 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to DCA?
On time or early
82%
15–30 min late
8%
30 min–1 hour late
6%
1–2 hours late
2%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.