Boeing Fld/King County International ⇄ Chicago Midway International BFI–MDW
Airlines flew 4 flights between Boeing Fld/King County International BFI in Seattle, WA and Chicago Midway International MDW in Chicago, IL in the twelve months to July 2026, both directions together: 142 passengers in 336 seats, 42% of them filled, and 11,168 pounds of freight. 1,733 miles, about 200 minutes in the air, on 3 airlines: Delta Air Lines Inc. (2), Jet Aviation Flight Services, Inc. (1), United Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 3/25 | 1 |
| 6/25 | 1 |
| 5/26 | 3 |
| 6/26 | 1 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 3/25 | 48 |
| 6/25 | 64 |
| 5/26 | 138 |
| 6/26 | 4 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Delta Air Lines Inc. DL | 2 | 69 | 48% | charter passenger service |
| Jet Aviation Flight Services, Inc. 27Q | 1 | 4 | 31% | charter passenger service |
| United Air Lines Inc. UA | 1 | 69 | 39% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 757-200 | 2 | 72 | 69 |
| Bombardier Global 5000 | 1 | 13 | 4 |
| Boeing B737 Max 900 | 1 | 179 | 69 |
BFI → MDW this direction alone · flown March 2025 to June 2026
2 flights, 73 passengers in 85 seats. Jet Aviation Flight Services, Inc. 1; Delta Air Lines Inc. 1.
MDW → BFI this direction alone · flown May 2026 to May 2026
2 flights, 69 passengers in 251 seats, 11,168 pounds of freight. Delta Air Lines Inc. 1; United Air Lines Inc. 1.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Boeing Fld/King County International BFI and Chicago Midway International MDW; all routes.