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 503 SCHEDULED · TYPICAL SCHEDULE

AS 503 · AUS → SEA

departs 4:17 PM CT · arrives 6:47 PM PT
Forecast issued Tue 6:00 PM ET · 47h before departure

Odds over time

Arrive at SEA more than 15 minutes late?
39% chance · ±6 pts +0 pts · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 2.8d Now 1d 12h 6h Departs Lands

How late will it get to SEA?

  1. On time or early
    59%
  2. 15–30 min late
    7%
  3. 30 min–1 hour late
    21%
  4. 1–2 hours late
    6%
  5. Over 2 hours late
    4%
  6. Cancelled
    3%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.