The U.S. aircraft register, updated daily
Routes and flights · the DOT's airline reports, August 2025 to July 2026

General Mitchell International ⇄ Seattle-Tacoma International MKE–SEA

Airlines flew 1,021 flights between General Mitchell International MKE in Milwaukee, WI and Seattle-Tacoma International SEA in Seattle, WA in the twelve months to July 2026, both directions together: 145,469 passengers in 178,668 seats, 81% of them filled, and 82,014 pounds of freight. 1,694 miles, about 235 minutes in the air, on 3 airlines: Alaska Airlines Inc. (1,014), Delta Air Lines Inc. (6), United Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

1,021
flights, twelve months
MKE-SEA: 507 · SEA-MKE: 514
145,469
passengers
81% of seats filled
1,694
miles
about 235 minutes airborne
3
airlines
8 aircraft types

Flights by month both directions

03162941251/254/257/2510/251/264/261237/26
By month, as a table
flights
1/2540
2/2534
3/2550
4/2560
5/2597
6/25119
7/25125
8/25123
9/25120
10/2567
11/2566
12/2582
1/2649
2/2636
3/2651
4/2671
5/26114
6/26119
7/26123

Passengers by month

04,8449,68714,53019,3741/254/257/2510/251/264/2618,0427/26
By month, as a table
passengers
1/255,281
2/254,424
3/257,315
4/258,411
5/2513,291
6/2516,543
7/2518,675
8/2519,374
9/2516,058
10/258,953
11/258,676
12/2511,729
1/266,234
2/264,876
3/267,949
4/269,652
5/2615,792
6/2618,134
7/2618,042

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Alaska Airlines Inc. AS1,014144,47581%scheduled passenger service
Delta Air Lines Inc. DL679892%charter passenger service
United Air Lines Inc. UA119698%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-900ER43817863,463
Boeing B737 Max 90041817859,607
Boeing 737-80013416018,227
Boeing B737 Max 800261603,509
Boeing 757-200272131
Boeing 757-3001234218
Airbus Industrie A321-200n1200196
A220-300 BD-500-1A111130118

MKE → SEA this direction alone · flown January 2025 to July 2026

507 flights of 512 scheduled, 72,856 passengers in 88,694 seats, 7,556 pounds of freight. Alaska Airlines Inc. 506; Delta Air Lines Inc. 1.

SEA → MKE this direction alone · flown January 2025 to July 2026

514 flights of 515 scheduled, 72,613 passengers in 89,974 seats, 74,458 pounds of freight, 3,290 pounds of mail. Alaska Airlines Inc. 508; Delta Air Lines Inc. 5; 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: General Mitchell International MKE and Seattle-Tacoma International SEA; all routes.