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

ORD Airport Page →
1,716 mi airlines charter/private 1/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 46m ago
Also flown by charter / private operators: NetJets Aviation.
Nonstop Charter / private 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
UA3776
UA United
7M9
5:05 PM
CDT T1
7:40 PM
PDT
4h 35m
20%
M T W T F S S
Prices
✓
←
UA3752
UA United
7M9
9:31 PM
PDT
3:37 AM+1
CDT
4h 6m
—
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 1 hub
BUF Buffalo ~8h 2m AAACAS → HTT Buffalo (BUF) to Seattle flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Chicago to Seattle
1 carrier, 1 flights/week nonstop.
1 Airlines 1,716 mi 4h 35m nonstop -2h behind

ORD–BFI is served by 1 airline with nonstop service. United Airlines leads the route. The flight covers 1,716 miles in approximately 4h 35m. Beyond nonstop, 1-stop connecting options are also available.

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

Airline Landscape

All carriers operating nonstop ORD–BFI service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UA United Airlines 1 7M9 4h35 43% Star Alliance –
Aircraft on this route
7M9 Boeing 737 MAX 9 – UA
Alliance coverage
Star Alliance: UA (1 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, ORD to BFI direction.
Mon
0
flights
Tue
0
flights
Wed
1
flight
Thu
0
flights
Fri
0
flights
Sat
0
flights
Sun
0
flights
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
1
Outbound / wk
1
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ORD to BFI.
1-STOP
One-Stop Connections
1
Hubs
~8h
Fastest
~8h
Longest
BUF ~8h 2m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
0
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
ORD → BFI
43%
Frequent delays expected. Consider flexible booking.
Departing
43%
Return
BFI → ORD
78%
Generally reliable. Most flights run on time.
Arriving
78%
OTP = percentage of flights arriving within 15 min of schedule. Based on airport-level delay snapshots. ORD delays →
Alternatives

Other ways to reach Seattle from Chicago

Nearby airports with service to King County International Airport - Boeing Field.
Metric ORD→BFI MDW→BFI RFD→BFI
Distance from ORD – 15 mi 63 mi
Nonstop airlines 1 7 1
Weekly flights 1 1 –
Flight time 4h 35m 3h 23m 3h 52m
Departure OTP 43% – –
Chicago (MDW) to Seattle flights · Chicago/Rockford (RFD) to Seattle flights · Milwaukee (MKE) to Seattle flights
Airports within 200 miles of ORD 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.
ORD: CDT · BFI: PDT

When it's 6:00 PM in Chicago, it's 4:00 PM in Seattle.
Distance & Flight Time
1,716 mi / 2,761 km
Nonstop flight time is approximately 4h 35m gate to gate.
Getting to ORD

CTA Blue Line runs 24/7 from downtown Loop stations to O'Hare (45 min, $5). Pace buses serve suburbs. Ride-shares cost $35–55 from downtown depending on traffic; add 30+ minutes during rush hour on the Kennedy Expressway.Economy parking lots E/F connect via ATS people mover. Terminal 5 (international) is separate from Terminals 1–3; allow extra time for inter-terminal transfers.

Facts

ORD–BFI Quick Facts

Key statistics for the Chicago to Seattle route.
Route details
Distance1,716 mi / 2,761 km
Flight time4h 35m
Time difference-2 hours
Airlines (nonstop)1
Weekly flights1 out / 1 return
1-stop connectionsAvailable
Origin: ORD
Full nameChicago O'Hare International Airport
IATA / ICAOORD / KORD
TimezoneAmerica/Chicago
Passengers/yr80.0M
Elevation680 ft / 207 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 ORD to BFI flights.
Nonstop flights from Chicago O'Hare International Airport to King County International Airport - Boeing Field take about 4h 35m gate to gate. The route covers 1,716 miles.
1 airline operates flights from ORD to BFI: United Airlines.
This route has limited weekly service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time.
Seattle is 2 hours behind Chicago.
Yes, return flights from BFI to ORD are available. Use the direction toggle at the top to view the return schedule.
Nearby alternatives include MDW, RFD and MKE. 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 ORD to BFI

Chicago O'Hare International Airport (ORD) and King County International Airport - Boeing Field (BFI) are connected by nonstop service from United Airlines. With 1 weekly departures, this is a regularly served route.

ORD to BFI Flight Duration and Schedule

Nonstop flight time from ORD to BFI is about 4 hours 35 minutes gate to gate. The route covers a distance of 1,716 miles (2,761 km). There are approximately 1 weekly flights outbound and 1 return, totaling 2 flights per week in both directions.

Connecting Options and Alternatives

1-stop connecting options are also available. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Chicago (MDW), Chicago/Rockford (RFD) and Milwaukee (MKE).