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

MDW Airport Page →
1,728 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 12 1-stop flights Verified 2w ago
Also flown by charter / private operators.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

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
SLC Salt Lake City 7h 46m VJAWN → EJAPXTUA Salt Lake City (SLC) to Seattle flights
LGB Long Beach 9h 45m WN → UA Long Beach (LGB) to Seattle flights
LAX Los Angeles 11h 10m WN → UA Los Angeles (LAX) to Seattle flights
MCI Kansas City ~6h 45m WN → Kansas City (MCI) to Seattle flights
SMF Sacramento ~7h 36m WN → Sacramento (SMF) to Seattle flights
SAN San Diego ~7h 44m EJAWN → San Diego (SAN) to Seattle flights
BUF Buffalo ~7h 58m WN → Buffalo (BUF) to Seattle flights
BUR Burbank ~8h 9m WN → Burbank (BUR) to Seattle flights
HOU Houston ~8h 21m SBEVJAWN → DL Houston (HOU) to Seattle flights
ATL Atlanta ~8h 48m AFAMDL → Atlanta (ATL) to Seattle flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Chicago to Seattle
Connecting service available through multiple hubs.
2 Airlines 1,728 mi 3h 37m nonstop -2h behind

MDW–BFI had nonstop service from Delta Air Lines and United Airlines, last on the schedule in May 2026. There's no nonstop on it right now, so today you'd fly it with one stop. The connecting options below are sorted by layover. Nonstop, it's about 1,728 miles in 3h 37m.

Also explore MDW Routes BFI Routes MDW Live Flights BFI Live Flights MDW Delays
All flights from Seattle (BFI) Seattle to Chicago flights
Carriers on this route

Airline Landscape

Carriers that operated nonstop MDW–BFI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
DL Delta Air Lines 1 – – 62% SkyTeam –
UA United Airlines 1 – – 62% Star Alliance –
Alliance coverage
SkyTeam: DL (1 flights/wk, 50%)
Star Alliance: UA (1 flights/wk, 50%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Connections

Connection Landscape

1-stop and 2-stop options for MDW to BFI.
1-STOP
One-Stop Connections
12
Hubs
~6h
Fastest
~11h
Longest
MCI ~6h 45m SMF ~7h 36m SAN ~7h 44m SLC ~7h 46m BUF ~7h 58m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
121
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.
Reliability

On-Time Performance

What to expect at each end of your journey.
Outbound
MDW → BFI
62%
Moderate delays possible. Allow buffer time.
Departing
62%
Return
BFI → MDW
81%
Generally reliable. Most flights run on time.
Arriving
81%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. MDW delays →
Alternatives

Other ways to reach Seattle from Chicago

Nearby airports with service to King County International Airport - Boeing Field.
Metric MDW→BFI ORD→BFI RFD→BFI
Distance from MDW – 15 mi 75 mi
Nonstop airlines – 1 1
Weekly flights – – –
Flight time 3h 37m 3h 32m 3h 52m
Departure OTP 62% – –
Chicago (ORD) to Seattle flights · Chicago/Rockford (RFD) to Seattle flights
Airports within 200 miles of MDW with service to King County International Airport - Boeing Field.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-2h
Seattle is 2 hours behind Chicago.
MDW: CDT · BFI: PDT

When it's 6:00 PM in Chicago, it's 4:00 PM in Seattle.
Distance & Flight Time
1,728 mi / 2,782 km
Nonstop flight time is approximately 3h 37m gate to gate.
Facts

MDW–BFI Quick Facts

Key statistics for the Chicago to Seattle route.
Route details
Distance1,728 mi / 2,782 km
Flight time3h 37m
Time difference-2 hours
Airlines (nonstop)2
1-stop connectionsAvailable
Origin: MDW
Full nameChicago Midway International Airport
IATA / ICAOMDW / KMDW
TimezoneAmerica/Chicago
Passengers/yr20.7M
Elevation620 ft / 189 m
Destination: BFI
Full nameKing County International Airport - Boeing Field
IATA / ICAOBFI / KBFI
TimezoneAmerica/Los_Angeles
Passengers/yr0.1M
Elevation21 ft / 6 m
FAQ

Frequently Asked Questions

Common questions about MDW to BFI flights.
Nonstop flights from Chicago Midway International Airport to King County International Airport - Boeing Field take about 3h 37m gate to gate. The route covers 1,728 miles.
2 airlines operated the nonstop from MDW to BFI: Delta Air Lines and United Airlines. The last scheduled nonstop was in May 2026. There's no nonstop right now, so today you'd fly it with one stop. See the connection options above, ranked by layover.
Not right now. The last scheduled nonstop was in May 2026. You can still fly it with one stop, and the connecting options above are sorted by layover. Nonstop, the hop took about 3h 37m.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Salt Lake City, Long Beach and Los Angeles.
Seattle is 2 hours behind Chicago.
Yes, return flights from BFI to MDW are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include ORD and RFD. 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 MDW to BFI

Chicago Midway International Airport (MDW) and King County International Airport - Boeing Field (BFI) had nonstop service from Delta Air Lines and United Airlines, last on the schedule in May 2026. The nonstop is dormant right now, so the way to fly it today is one connection, and the options above are sorted by layover.

MDW to BFI Flight Duration and Schedule

Nonstop flight time from MDW to BFI is about 3 hours 37 minutes gate to gate. The route covers a distance of 1,728 miles (2,782 km).

Connecting Options and Alternatives

1-stop connecting options are also available, commonly via Salt Lake City, Long Beach and Los Angeles. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (ORD) and Chicago/Rockford (RFD).