Flight history · Aug 2025 – Jul 2026 · US DOT on-time records

AS 636 · Seattle (SEA) → Las Vegas (LAS)

Sold by Alaska. Still flying: 17 of the last 56 days (Wed, Sat).

Arrives on time69%within 15 minutes, of 121 flights
Cancelled0.8%of scheduled flights
An hour or more late7%of flights that operated
When late, on average40 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport.

Leaves SEA
21:23
Arrives LAS
23:59
Flight time
2h 36m
Days flown, last 8 weeks
17 of 56

Each square is a day, Sat Jun 6 to Fri Jul 31, two weeks per row (each column is the same weekday); filled = flew.

How late it arrives

Share of flights that operated arriving more than this late.

15+ min late31%
30+ min late18%
1h+ late7%
2h+ late0%
20%40%60% 015301h1h302h3h

Horizontal: minutes late at arrival (0 to 3 hours). Vertical: share of flights later than that.

Its hour at SEA

All flights leaving Seattle (SEA) at 9–10 pm, wherever they’re going: 78% left within 15 minutes and 1.0% were cancelled (9,545 flights in the year). Other Alaska flights on this route →

Upcoming forecasts

Our odds that this flight is late or cancelled on the days we publish.