Chicago to Seattle Flights (ORD-SEA)

🇺🇸 ORD

Chicago

1718 mi

SEA 🇺🇸

Seattle

Chicago O'Hare International Airport Seattle–Tacoma International Airport 7 airlines

The Chicago to Seattle route connects Chicago O'Hare International Airport (ORD) in US with Seattle–Tacoma International Airport (SEA) in US. This medium-haul flight covers approximately 1718 miles (2765 km) with a typical flight time of 4h 0m. This route is served by 7 airlines: American Airlines, Alaska Airlines, Korean Air and others. AirportRoutes has tracked 17 unique flight numbers on this route.

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Departure Airport

Chicago O'Hare International Airport

ICAO Code:: KORD
IATA Code:: ORD
City:: 🇺🇸 Chicago
Country:: US
Elevation:: 680 ft

Destination Airport

Seattle–Tacoma International Airport

ICAO Code:: KSEA
IATA Code:: SEA
City:: 🇺🇸 Seattle
Country:: US
Elevation:: 433 ft

Operators

Tracked Flights

1718

Miles

4h 0m

Flight Duration

Route Map

Operating Airlines

Airline	ICAO	IATA
American Airlines	`AAL`	`AA`
Alaska Airlines	`ASA`	`AS`
Korean Air	`KAL`	`KE`
Envoy Air	`ENY`	`MQ`
China Airlines	`CAL`	`CI`
Delta Air Lines	`DAL`	`DL`
United	`UAL`	`UA`

Flight Schedule Pattern

Day	Flights Observed	Frequency
Monday	7	9%
Tuesday	15	19%
Wednesday	10	12%
Thursday	12	15%
Friday	21	26%
Saturday	9	11%
Sunday	6	8%

Pattern Analysis

17 Tracked Flights:

Data Points: 80
API observations used to build this analysis

Weekdays: 65 flights
Weekend: 15 flights

Business Route More active on weekdays

All Flight Routes

7 Routes

Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.

Airline	Flight Numbers	Aircraft Type	Typical Time	Days Active	Last Seen	Status
Alaska Airlines `ASA` / `AS`		B739	06:00 6:00 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
American Airlines `AAL` / `AA`		A321	11:40 11:40 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
China Airlines `CAL` / `CI`		B77L	00:55 12:55 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
Delta Air Lines `DAL` / `DL`		BCS3	17:40 5:40 PM (Representative)	M T W T F S S	Jun 18, 2026	Active
Envoy Air `ENY` / `MQ`	-	A321	-	M T W T F S S	Jun 18, 2026	Active
Korean Air `KAL` / `KE`		B748	00:45 12:45 AM (Representative)	M T W T F S S	Jun 18, 2026	Active
United `UAL` / `UA`		A21N	13:00 1:00 PM (Representative)	M T W T F S S	Jun 18, 2026	Active

Total Routes: 7

Active Routes: 7

Unique Airlines: 7

Aircraft Types: 7

Spotted Departure Times

Departure Time	Operator	ICAO	IATA
00:45 12:45 AM	Korean Air	`KAL`	`KE`
00:55 12:55 AM	China Airlines	`CAL`	`CI`
06:00 6:00 AM	Alaska Airlines	`ASA`	`AS`
11:40 11:40 AM	American Airlines	`AAL`	`AA`
13:00 1:00 PM	United	`UAL`	`UA`
17:40 5:40 PM	Delta Air Lines	`DAL`	`DL`

Time Information

Times are shown in the departure airport's local timezone (KORD - America/Chicago).

Total Departure Times: 6

Time Range:
00:45 - 17:40

These are typical departure times observed from actual flights. Times may vary by season and schedule changes.

Chicago to Seattle Flights

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