Seattle to Chicago (SEA–MDW) — Airlines, Schedules & Connections

SEA Airport Page →
1,729 mi airlines charter/private 29/wk
On-time Some delays Frequent delays
Flight Schedule 20 flights Verified 53m ago
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
WN3759
Starts Oct 2 Seat map
WN Southwest
7M8 Seat map
12:10 AM
PDT
6:05 AM
CDT
3h 55m
M T W T F S S
Prices
WN662
Seat map
WN Southwest
7M8 Seat map
5:15 AM
PDT
11:15 AM
CDT
4h
M T W T F S S
Prices
WN1396
Starts Sep 15 Seat map
WN Southwest
7M8 Seat map
5:20 AM
PDT
11:15 AM
CDT
3h 55m
M T W T F S S
Prices
WN3796
Starts Oct 4 Seat map
WN Southwest
7M8 Seat map
5:30 AM
PDT
11:25 AM
CDT
3h 55m
M T W T F S S
Prices
WN2194
WN Southwest
73H
5:44 AM
PDT
11:22 AM
CDT
3h 38m
M T W T F S S
Prices
WN297
Starts Oct 3
WN Southwest
73H
9:10 AM
PDT
3:05 PM
CDT
3h 55m
M T W T F S S
Prices
WN3628
Seat map
WN Southwest
738 Seat map
10:20 AM
PDT
4:30 PM
CDT
4h 10m
M T W T F S S
Prices
WN247
Starts Sep 15 Seat map
WN Southwest
7M8 Seat map
10:45 AM
PDT
4:50 PM
CDT
4h 5m
M T W T F S S
Prices
WN142
WN Southwest
73H
10:50 AM
PDT
4:55 PM
CDT
4h 5m
M T W T F S S
Prices
WN3534
WN Southwest
73H
11:05 PM
PDT Red-eye
5:05 AM+1
CDT
4h
M T W T F S S
Prices
WN3657
Starts Oct 4 Seat map
WN Southwest
7M8 Seat map
10:05 AM
CDT
12:35 PM
PDT
4h 30m
51%
M T W T F S S
Prices
WN2979
Starts Oct 6 Seat map
WN Southwest
7M8 Seat map
10:15 AM
CDT
12:45 PM
PDT
4h 30m
51%
M T W T F S S
Prices
WN359
WN Southwest
B38M
10:25 AM
CDT
12:55 PM
PDT
4h 30m
51%
M T W T F S S
Prices
WN2825
WN Southwest
B38M
11:18 AM
CDT
1:48 PM
PDT
4h 30m
51%
M T W T F S S
Prices
WN1987
Starts Oct 3 Seat map
WN Southwest
7M8 Seat map
11:25 AM
CDT
1:55 PM
PDT
4h 30m
51%
M T W T F S S
Prices
WN2826
WN Southwest
B38M
4:31 PM
CDT
6:56 PM
PDT
4h 25m
51%
M T W T F S S
Prices
WN2827
WN Southwest
B38M
6:40 PM
CDT
9:12 PM
PDT
4h 32m
51%
M T W T F S S
Prices
WN1186
Starts Oct 3
WN Southwest
7S7
7:05 PM
CDT
9:35 PM
PDT
4h 30m
51%
M T W T F S S
Prices
WN647
Starts Oct 1 Seat map
WN Southwest
7M8 Seat map
10:05 PM
CDT Red-eye
12:35 AM+1
PDT
4h 30m
51%
M T W T F S S
Prices
WN4366
Starts Oct 4 Seat map
WN Southwest
7M8 Seat map
10:20 PM
CDT Red-eye
12:55 AM+1
PDT
4h 35m
51%
M T W T F S S
Prices

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
GEG Spokane 5h 39m AFAMAS WN Spokane (GEG) to Chicago flights
OMA Omaha 5h 42m ASQR LXJWN Omaha (OMA) to Chicago flights
MSP Minneapolis 5h 43m AFASAY AFDLVS Minneapolis (MSP) to Chicago flights
PDX Portland 5h 44m AFAMAS WN Portland (PDX) to Chicago flights
BOI Boise 5h 44m AFAMAS WN Boise (BOI) to Chicago flights
SLC Salt Lake City 5h 55m AMASAY WN Salt Lake City (SLC) to Chicago flights
DEN Denver 5h 55m 8CAFAS WN Denver (DEN) to Chicago flights
STL St Louis 6h ASAYJL WN St Louis (STL) to Chicago flights
MKE Milwaukee 6h 5m AS WN Milwaukee (MKE) to Chicago flights
MCI Kansas City 6h 11m ASAYDL WN Kansas City (MCI) to Chicago flights
1-STOP More options, longer trips
2-STOP Loading... Reach the hardest destinations
Seattle to Chicago
2 carriers, 29 flights/week nonstop.
2 Airlines 1,729 mi 3h 58m nonstop +2h ahead

SEA–MDW is served by 2 airlines with nonstop service. Southwest Airlines and Delta Air Lines lead the route. The flight covers 1,729 miles in approximately 3h 58m. Beyond nonstop, 1-stop connecting options are also available.

Airline Landscape

All carriers operating nonstop SEA–MDW service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
WN Southwest Airlines 29 738, 73H, 7M8 3h38-4h10 72%
DL Delta Air Lines 1 72% SkyTeam
Aircraft on this route
738 Boeing 737-800 – WN
73H Boeing 737-800 (Winglets) – WN
7M8 Boeing 737 MAX 8 – WN
Alliance coverage
Unaffiliated: WN (29 flights/wk, 97%)
SkyTeam: DL (1 flights/wk, 3%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.

Weekly Schedule Pattern

Nonstop flight frequency by day of week, SEA to MDW direction.
Mon
4
flights
Tue
4
flights
Wed
4
flights
Thu
4
flights
Fri
4
flights
Sat
4
flights
Sun
5
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
10
Nonstop flights
29
Outbound / wk
29
Return / wk

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for SEA to MDW.
1-STOP
One-Stop Connections
56
Hubs
~5h
Fastest
~21h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
3,145
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.

On-Time Performance

What to expect at each end of your journey.
Outbound
SEA → MDW
72%
Moderate delays possible. Allow buffer time.
Departing
72%
Arriving
96%
Return
MDW → SEA
86%
Generally reliable. Most flights run on time.
Departing
86%
Arriving
99%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. SEA delays → MDW delays →

Other ways to reach Chicago from Seattle

Nearby airports with service to Chicago Midway International Airport.
Metric SEA→MDW BFI→MDW BLI→MDW
Distance from SEA 5 mi 94 mi
Nonstop airlines 2 3 1
Weekly flights 29 1
Flight time 3h 58m 3h 40m 3h 50m
Departure OTP 72%
Airports within 200 miles of SEA with service to Chicago Midway International Airport.

Travel Essentials

Practical planning for this route.
Time Difference
+2h
Chicago is 2 hours ahead of Seattle.
SEA: PDT · MDW: CDT

When it's 6:00 PM in Seattle, it's 8:00 PM in Chicago.
Distance & Flight Time
1,729 mi / 2,782 km
Nonstop flight time is approximately 3h 58m gate to gate.
Getting to SEA

Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).

Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.

SEA–MDW Quick Facts

Key statistics for the Seattle to Chicago route.
Route details
Distance1,729 mi / 2,782 km
Flight time3h 58m
Time difference+2 hours
Airlines (nonstop)2
Weekly flights29 out / 29 return
1-stop connectionsAvailable
Origin: SEA
IATA / ICAOSEA / KSEA
TimezoneAmerica/Los_Angeles
Passengers/yr50.8M
Elevation433 ft / 132 m
Destination: MDW
IATA / ICAOMDW / KMDW
TimezoneAmerica/Chicago
Passengers/yr20.7M
Elevation620 ft / 189 m

Frequently Asked Questions

Common questions about SEA to MDW flights.
Nonstop flights from Seattle–Tacoma International Airport to Chicago Midway International Airport take about 3h 58m gate to gate. The route covers 1,729 miles.
2 airlines operate flights from SEA to MDW: Southwest Airlines and Delta Air Lines.
This route has daily service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Spokane, Eppley Airfield and Minneapolis–Saint Paul.
On a single ticket, yes. Your bags are checked through to MDW and move between planes without you. On two separate tickets you collect your bags at the connecting airport and recheck them, so build in extra layover time.
Chicago is 2 hours ahead of Seattle.
Yes, return flights from MDW to SEA are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include BFI, BLI and YYJ. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from SEA to MDW

Seattle–Tacoma International Airport (SEA) and Chicago Midway International Airport (MDW) are connected by nonstop service from Southwest Airlines and Delta Air Lines. With 29 weekly departures, this is a heavily served route.

SEA to MDW Flight Duration and Schedule

Nonstop flight time from SEA to MDW is about 3 hours 58 minutes gate to gate. The route covers a distance of 1,729 miles (2,782 km). There are approximately 29 weekly flights outbound and 29 return, totaling 58 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Spokane, Eppley Airfield and Minneapolis–Saint Paul. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (BFI), Bellingham (BLI) and Victoria (YYJ).