Schedule: a typical Friday (the flights of Jul 31, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

ALASKA · FLIGHT AS 1637 SCHEDULED · TYPICAL SCHEDULE

Friday, October 2

AS 1637 · LAS → ANC

departs 4:33 PM PT · arrives 8:59 PM AKT

Forecast issued Wed 2:00 AM ET · 66h before departure

Arrive at ANC more than 15 minutes late?

23% chance · ±4 pts −5 pts · 24h

HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.

How late will it get to ANC?

On time or early
76%
15–30 min late
11%
30 min–1 hour late
4%
1–2 hours late
7%
Over 2 hours late
1%
Cancelled
<1%

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

What’s moving the odds

↑ This flight has been late 27% of the time recently

↑ 4pm departures from LAS are often late

↑ Later flights pick up delays from earlier in the day

↓ Mostly benign weather forecast at LAS

Weather at each end

LAS (origin) Gusts10 kt Ceilingnone (clear) Visibility10+ mi Precipnone

ANC (destination) Gusts15 kt Ceiling4,400 ft Visibility9 mi Precipnone

How this resolves

Yes if the gate arrival is more than 15 minutes after the scheduled arrival. Cancelled or diverted flights resolve N/A.

Every question here is display only — there is no betting or money involved. Gate times come from the airline; a cancellation resolves only the “Cancelled?” question, and a diversion voids the delay questions.

AS 1637 · LAS → ANC

Odds over time

How late will it get to ANC?