Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
ALASKA · FLIGHT AS 398SCHEDULED · TYPICAL SCHEDULE
Yesterday
AS 398 · SEA → IAH
departs 11:57 PM PT · arrives 6:20 AM CT
Forecast issued Wed 10:00 PM ET · 5h before departure
Odds over time
Arrive at IAH more than 15 minutes late?
33%chance · ±0 pts+9 pts · 24h
HOW SURE WE AREHigh. The odds now come mostly from live FAA and airport data.
How late will it get to IAH?
On time or early
67%
15–30 min late
23%
30 min–1 hour late
4%
1–2 hours late
5%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.