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 1543SCHEDULED · TYPICAL SCHEDULE
Today
AS 1543 · ANC → ORD
departs 11:15 PM AKT · arrives 8:29 AM CT
Forecast issued Wed 4:00 AM ET · 23h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
48%chance · ±9 pts+8 pts · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to ORD?
On time or early
52%
15–30 min late
29%
30 min–1 hour late
11%
1–2 hours late
5%
Over 2 hours late
3%
Cancelled
1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.