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

Denver International ⇄ General Mitchell International DEN–MKE

Airlines flew 4,651 flights between Denver International DEN in Denver, CO and General Mitchell International MKE in Milwaukee, WI in the twelve months to July 2026, both directions together: 541,964 passengers in 688,667 seats, 79% of them filled, and 270,499 pounds of freight. 896 miles, about 112 minutes in the air, on 7 airlines: Southwest Airlines Co. (2,474), United Air Lines Inc. (1,426), SkyWest Airlines Inc. (632), Frontier Airlines Inc. (106) and 3 more. Planning to fly it yourself? The weather and winds along this route right now.

4,651
flights, twelve months
DEN-MKE: 2,325 · MKE-DEN: 2,326
541,964
passengers
79% of seats filled
896
miles
about 112 minutes airborne
7
airlines
15 aircraft types

Flights by month both directions

01352704055401/254/257/2510/251/264/264987/26
By month, as a table
flights
1/25317
2/25286
3/25343
4/25334
5/25412
6/25466
7/25540
8/25476
9/25454
10/25464
11/25346
12/25341
1/26311
2/26275
3/26311
4/26324
5/26380
6/26471
7/26498

Passengers by month

016,32432,64848,97365,2971/254/257/2510/251/264/2654,5437/26
By month, as a table
passengers
1/2530,879
2/2530,611
3/2536,519
4/2534,548
5/2547,787
6/2556,373
7/2565,297
8/2564,572
9/2558,582
10/2555,585
11/2538,439
12/2538,777
1/2631,775
2/2631,499
3/2639,070
4/2636,180
5/2640,402
6/2652,540
7/2654,543

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Southwest Airlines Co. WN2,474319,24878%scheduled passenger service
United Air Lines Inc. UA1,426169,68881%charter passenger service, scheduled passenger service
SkyWest Airlines Inc. OO63237,98983%scheduled passenger service
Frontier Airlines Inc. F910614,73271%scheduled passenger service
Delta Air Lines Inc. DL1118323%charter passenger service
American Airlines Inc. AA112472%scheduled passenger service
Air Wisconsin Airlines Corp ZW100%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing B737 Max 8001,070175143,225
Boeing 737-800999173134,218
Boeing 737-700/700LR/Max 763214072,695
Embraer ERJ-1756147337,989
Airbus Industrie A320-100/20059215068,739
Airbus Industrie A31947712650,904
Boeing 737-900ER11217917,006
Airbus Industrie A320-200n7418610,376
Boeing B737 Max 900231793,022
Airbus Industrie A321-200n222282,789
Canadair RJ-200ER /RJ-44012500
Boeing 757-2001172183
Bombardier CRJ5506500
Airbus Industrie A321Neoxlr6230818
Canadair RJ-7001700

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

2,325 flights of 2,326 scheduled, 272,107 passengers in 343,680 seats, 112,806 pounds of freight, 1,076 pounds of mail. Southwest Airlines Co. 1,237; United Air Lines Inc. 714; SkyWest Airlines Inc. 313; Frontier Airlines Inc. 53; Delta Air Lines Inc. 7; American Airlines Inc. 1.

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

2,326 flights of 2,334 scheduled, 269,857 passengers in 344,987 seats, 157,693 pounds of freight. Southwest Airlines Co. 1,237; United Air Lines Inc. 712; SkyWest Airlines Inc. 319; Frontier Airlines Inc. 53; Delta Air Lines Inc. 4; Air Wisconsin Airlines Corp 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: Denver International DEN and General Mitchell International MKE; all routes.