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

AS 515 · Chicago (ORD) → Seattle (SEA)

Sold by Alaska. Still flying: 4 of the last 56 days.

Arrives on time89%within 15 minutes, of 28 flights
Cancelled0.0%of scheduled flights
An hour or more late4%of flights that operated
When late, on average48 minlate, among flights 15+ min late

Schedule

Typical times in the Jun 6 – Jul 31, 2026 schedule, local at each airport (Seattle is 2 h behind Chicago).

Leaves ORD
07:40
Arrives SEA
10:21
Flight time
4h 41m
Days flown, last 8 weeks
4 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 late11%
30+ min late4%
1h+ late4%
2h+ late0%
10%20%30% 015301h1h302h3h

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

Its hour at ORD

All flights leaving Chicago (ORD) at 7–8 am, wherever they’re going: 88% left within 15 minutes and 1.6% were cancelled (25,017 flights in the year). Other Alaska flights on this route →

Upcoming forecasts

This flight isn’t in our published forecasts for the next few days.