Flights operate between Seattle (SEA) and Chicago (MDW).
1 airline operates this route with 1-2 flights daily flights.
Average flight time is 3h 50m - 4h 15m.
Route distance is 1738 miles (2796 km).
Route Distance
1738 miles (2796 km)
Average Duration
3h 50m - 4h 15m
Airlines Operating This Route
Southwest Airlines
Flight Frequency
Daily Flights
1-2 flights
Weekly Flights
7
Typical Departure Time Ranges
Earliest Departure
06:45
Latest Departure
06:45
Route Intelligence Dashboard
Overall Connectivity Score
35
ModerateRoute Diversity
1
Direct Routes
Southwest Airlines serves 1 destination from SEA
Weekly Frequency
7
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| SEA → Chicago (MDW) (MDW) | 7/week | 3h 50m - 4h 15m | 1,738 km | Seasonal |
Flight Schedule & Filters
Southwest Airlines flights from SeaTac (SEA) to Chicago (MDW)
Southwest Airlines operates scheduled nonstop flights between SeaTac (SEA) and Chicago (MDW). Southwest Airlines operates 1-2 flights daily flights on this route.• Flight Duration: 3h 50m - 4h 15m (average flight time)• Distance: 1738 miles (2796 km) (air miles between airports)• Daily Flights: 1-2 flights (scheduled departures per day)
SeaTac (SEA)
US
Chicago (MDW)
US
FLIGHT TIME
3h 50m - 4h 15m
FLIGHT DISTANCE
1738 miles (2796 km)
3h 55m - 3h 55m
06:45
06:45
1738 miles (2796 km)
January
1 (Show)
7
Southwest Airlines Terminal Information & Contact
Departure Terminal - SeaTac (SEA)
Terminal: 1
Phone: 800-435-9792
Location: 1, Seattle, US
Arrival Terminal - Chicago (MDW)
Terminal: 1
Phone: 800-435-9792
Location: 1, Chicago, US
Southwest Airlines Flight Schedule from SeaTac (SEA) to Chicago (MDW)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN2120 |  Southwest Airlines | 06:45 | 12:40:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
Southwest Airlines Monthly Flight Calendar
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Southwest Airlines Terminal Information
Departure Terminal at SeaTac (SEA):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Arrival Terminal at Chicago (MDW):
• Terminal : Southwest Airlines operates from this terminal
Terminal 1:
• Southwest Airlines Terminal Phone: 800-435-9792
Southwest Airlines Contact Information and Customer Services
Southwest Airlines Address
2702 Love Field Dr
Dallas, TX 75235, US
Customer Service Phone
800-435-9792Official Website
southwest.com/Frequently Asked Questions
How many Southwest Airlines flights operate from Seattle (SEA) to Chicago (MDW)?
Southwest Airlines operates 1 flight from Seattle (SEA) to Chicago (MDW).
What city does Chicago (MDW) airport serve?
Chicago (MDW) airport serves Chicago, US.
How long is the Southwest Airlines flight from Seattle (SEA) to Chicago (MDW)?
The flight duration is approximately 3h 50m - 4h 15m.
What is the distance from Seattle (SEA) to Chicago (MDW)?
The distance is 1738 miles (2796 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737-700 (winglets) Passenger/BBJ1 on this route.
Which terminal does Southwest Airlines use at Seattle (SEA)?
Southwest Airlines flights from Seattle (SEA) depart from Terminal 1. Terminal 1 phone: 800-435-9792.
What is the Southwest Airlines terminal phone number at Seattle (SEA)?
The Southwest Airlines terminal phone number at Seattle (SEA) is 800-435-9792 (Terminal 1).
View all Southwest Airlines flights to Seattle (SEA) →
Popular Southwest Airlines routes from Seattle include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.