ChicagoSeattleFlight TimeORD–SEA
Chicago (O'Hare International Airport) to Seattle (Seattle-Tacoma International Airport).
The flight from Chicago (ORD) to Seattle (SEA) takes 3h 59m on average, covering about 1,804 miles. Across 3 flights we tracked, the fastest was 3h 54m and the slowest 4h 2m, with Alaska Airlines flying it most often.
Plan this routeAt a glance
| Avg flight time | Distance | Fastest tracked | Airlines |
|---|---|---|---|
| 3h 59m | 1,804 mi | 3h 54m | 1 |
Airlines on this route
Captured airlines for ORD to SEA
Our current provider sample includes 19-20/day from ORD to SEA across 6 captured airlines. Captured departure terminal data is available for 2, 1, 3, 5.
- First departure
- 01:00
- Last departure
- 22:00
- Cadence
- ~hourly
- Captured departures/day
- 31
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 6-7/day | Boeing 737 · Terminal 2 · Seat map | 06:0007:40 |
Aircraft we tracked
Flying the other way?
SEA to ORD flight time (10 tracked flights) →Flight times usually differ by direction — jet-stream winds make eastbound crossings faster than westbound ones.
Methodology: figures are aggregated from 3 real flights on this route tracked between 2026-06-11 and 2026-06-18, sourced from live flight data. Updated daily as new flights are observed.
Route FAQ
How long is the flight from ORD to SEA?
The ORD to SEA flight takes 3h 59m on average based on 3 tracked flights.
How far is ORD from SEA?
ORD to SEA is about 1,804 miles by air.
Which airlines fly from ORD to SEA?
Alaska Airlines flies the ORD to SEA route in our tracked route data.
What aircraft fly from ORD to SEA?
Aircraft observed on ORD to SEA include Boeing 737-800, Boeing 737 MAX 9.