SeattleChicagoFlight TimeSEA–ORD
Seattle (Seattle-Tacoma International Airport) to Chicago (O'Hare International Airport).
The flight from Seattle (SEA) to Chicago (ORD) takes 3h 24m on average, covering about 1,827 miles. Across 10 flights we tracked, the fastest was 3h 9m and the slowest 3h 31m, with United Airlines flying it most often.
Plan this routeAt a glance
| Avg flight time | Distance | Fastest tracked | Airlines |
|---|---|---|---|
| 3h 24m | 1,827 mi | 3h 9m | 1 |
Airlines on this route
Captured airlines for SEA to ORD
Our current provider sample includes 19-20/day from SEA to ORD across 4 captured airlines.
- First departure
- 00:09
- Last departure
- 23:58
- Cadence
- ~hourly
- Captured departures/day
- 30
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 6-7/day | Boeing 737 · Seat map | 00:0900:1706:00 |
Aircraft we tracked
Flying the other way?
ORD to SEA flight time (3 tracked flights) →Flight times usually differ by direction — jet-stream winds make eastbound crossings faster than westbound ones.
Methodology: figures are aggregated from 10 real flights on this route tracked between 2026-06-04 and 2026-06-19, sourced from live flight data. Updated daily as new flights are observed.
Route FAQ
How long is the flight from SEA to ORD?
The SEA to ORD flight takes 3h 24m on average based on 10 tracked flights.
How far is SEA from ORD?
SEA to ORD is about 1,827 miles by air.
Which airlines fly from SEA to ORD?
United Airlines flies the SEA to ORD route in our tracked route data.
What aircraft fly from SEA to ORD?
Aircraft observed on SEA to ORD include Boeing 737 MAX 9, Boeing 737-900.