🇺🇸 MDW
Chicago
1731 mi
SEA 🇺🇸
Seattle

Chicago to Seattle Flights

Chicago Midway International Airport Seattle–Tacoma International Airport 1 airline

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The Chicago to Seattle route connects Chicago Midway International Airport (MDW) in US with Seattle–Tacoma International Airport (SEA) in US. This medium-haul flight covers approximately 1731 miles (2786 km) with a typical flight time of 3h 43m. This route is operated by Southwest. AirportRoutes has tracked 7 unique flight numbers on this route.

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Departure Airport

Chicago Midway International Airport

ICAO Code:
KMDW
IATA Code:
MDW
City:
🇺🇸 Chicago
Country:
US
Elevation:
620 ft

Destination Airport

Seattle–Tacoma International Airport

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

1

Operator

7

Tracked Flights

1731

Miles

3h 43m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Southwest SWA WN

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 4 9%
Tuesday 8 17%
Wednesday 6 13%
Thursday 4 9%
Friday 5 11%
Saturday 11 23%
Sunday 9 19%

Pattern Analysis

7 Tracked Flights:
Data Points: 47
API observations used to build this analysis
Weekdays: 27 flights
Weekend: 20 flights
Business Route More active on weekdays

All Flight Routes

1 Route
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
Southwest
SWA / WN
B38M 21:35 9:35 PM (Representative)
M T W T F S S
Jun 18, 2026 Active
Total Routes: 1
Active Routes: 1
Unique Airlines: 1
Aircraft Types: 1

Spotted Departure Times

Departure Time Operator ICAO IATA
21:35 9:35 PM Southwest SWA WN

Time Information

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

Total Departure Times: 1
Time Range:
21:35 - 21:35
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.