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 1637 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Today

AS 1637 · LAS → ANC

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

Forecast issued Wed 11:00 AM ET · 9h before departure

Arrive at ANC more than 15 minutes late?

31% chance · ±0 pts +4 pts · 24h

HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.

How late will it get to ANC?

On time or early
68%
15–30 min late
12%
30 min–1 hour late
13%
1–2 hours late
4%
Over 2 hours late
2%
Cancelled
<1%

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

What’s moving the odds

↑ 4pm departures from LAS are often late

↑ This flight has been late 29% of the time recently

↑ Cloud base down to 100 ft, 0.3 in of rain forecast at ANC that day

↓ Wednesdays in September are usually quieter than average

↓ Mostly benign weather forecast at LAS

Weather at each end

LAS (origin) Gusts12 kt Ceilingnone (clear) Visibility10+ mi Precipnone

ANC (destination) Gusts10 kt Ceiling100 ft Visibility6 mi Precip0.26 in

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?