🇺🇸 SEA
Seattle
1718 mi
ORD 🇺🇸
Chicago

Seattle to Chicago Flights

Seattle–Tacoma International Airport Chicago O'Hare International Airport 8 airlines

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The Seattle to Chicago route connects Seattle–Tacoma International Airport (SEA) in US with Chicago O'Hare International Airport (ORD) in US. This medium-haul flight covers approximately 1718 miles (2765 km) with a typical flight time of 3h 46m. This route is served by 8 airlines: Alaska Airlines, Republic, American Airlines and others. AirportRoutes has tracked 20 unique flight numbers on this route.

Airport Information

Departure Airport

Seattle–Tacoma International Airport

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

Destination Airport

Chicago O'Hare International Airport

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

Route Statistics

8

Operators

20

Tracked Flights

1718

Miles

3h 46m

Flight Duration

Route Map

Great Circle
Flight route map from Seattle to Chicago

Operating Airlines

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 33 17%
Tuesday 24 12%
Wednesday 24 12%
Thursday 27 14%
Friday 24 12%
Saturday 20 10%
Sunday 41 21%

Pattern Analysis

20 Tracked Flights:
Data Points: 193
API observations used to build this analysis
Weekdays: 132 flights
Weekend: 61 flights
Business Route More active on weekdays

All Flight Routes

8 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
B39M 00:09 12:09 AM (Representative)
M T W T F S S
Jul 3, 2026 Active
B39M 08:10 8:10 AM (Representative)
M T W T F S S
Jul 3, 2026 Active
China Cargo
CKK / CK
B77L 06:40 6:40 AM (Representative)
M T W T F S S
Jul 3, 2026 Active
BCS3 07:15 7:15 AM (Representative)
M T W T F S S
Jul 3, 2026 Active
Envoy Air
ENY / MQ
- A321 -
M T W T F S S
Jul 3, 2026 Active
Republic
RPA / YX
- B738 10:39 10:39 AM (Representative)
M T W T F S S
Jul 3, 2026 Active
- B77L -
M T W T F S S
Jul 3, 2026 Active
United
UAL / UA
A21N 07:00 7:00 AM (Representative)
M T W T F S S
Jul 3, 2026 Active
Total Routes: 8
Active Routes: 8
Unique Airlines: 8
Aircraft Types: 8

Spotted Departure Times

Departure Time Operator ICAO IATA
00:09 12:09 AM Alaska Airlines ASA AS
06:40 6:40 AM China Cargo CKK CK
07:00 7:00 AM United UAL UA
07:15 7:15 AM Delta Air Lines DAL DL
08:10 8:10 AM American Airlines AAL AA
10:39 10:39 AM Republic RPA YX

Time Information

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

Total Departure Times: 6
Time Range:
00:09 - 10:39
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.