Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 313SCHEDULED · TYPICAL SCHEDULE
AS 313 · SEA → DTW
departs 9:18 AM PT · arrives 4:33 PM ET
Forecast issued Tue 7:00 PM ET · 41h before departure
Odds over time
Arrive at DTW more than 15 minutes late?
20%chance · ±2 pts−4 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to DTW?
On time or early
79%
15–30 min late
11%
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%.