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

Denver International ⇄ Portland International DEN–PDX

Airlines flew 8,559 flights between Denver International DEN in Denver, CO and Portland International PDX in Portland, OR in the twelve months to July 2026, both directions together: 1,298,560 passengers in 1,500,123 seats, 87% of them filled, and 1,752,131 pounds of freight. 991 miles, about 139 minutes in the air, on 9 airlines: United Air Lines Inc. (3,630), Southwest Airlines Co. (3,103), Alaska Airlines Inc. (1,223), Frontier Airlines Inc. (560) and 5 more. Planning to fly it yourself? The weather and winds along this route right now.

8,559
flights, twelve months
DEN-PDX: 4,292 · PDX-DEN: 4,267
1,298,560
passengers
87% of seats filled
991
miles
about 139 minutes airborne
9
airlines
14 aircraft types

Flights by month both directions

02264536809061/254/257/2510/251/264/269067/26
By month, as a table
flights
1/25617
2/25560
3/25655
4/25685
5/25795
6/25876
7/25898
8/25868
9/25788
10/25790
11/25683
12/25689
1/26542
2/26494
3/26592
4/26607
5/26735
6/26865
7/26906

Passengers by month

035,09270,184105,277140,3691/254/257/2510/251/264/26137,0597/26
By month, as a table
passengers
1/2579,181
2/2574,416
3/2591,861
4/2595,354
5/25115,430
6/25131,727
7/25140,369
8/25139,896
9/25122,004
10/25122,817
11/25102,341
12/25105,293
1/2675,355
2/2669,258
3/2690,232
4/2690,888
5/26110,720
6/26132,697
7/26137,059

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA3,630556,04587%scheduled passenger service
Southwest Airlines Co. WN3,103462,75888%scheduled passenger service
Alaska Airlines Inc. AS1,223176,56683%scheduled passenger service
Frontier Airlines Inc. F9560100,74383%scheduled passenger service
SkyWest Airlines Inc. OO291,72778%scheduled passenger service
Delta Air Lines Inc. DL1050060%charter passenger service, scheduled passenger service
Sun Country Airlines d/b/a MN Airlines SY28022%charter passenger service
American Airlines Inc. AA114172%scheduled passenger service
Air Transport International 8C10charter cargo service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-8002,176170323,037
Boeing B737 Max 8001,702174259,085
Boeing 737-900ER1,413179215,033
Airbus Industrie A321-200n1,001209181,561
Boeing B737 Max 900934179139,408
Boeing 737-700/700LR/Max 751214064,187
Airbus Industrie A320-100/20044915259,987
Airbus Industrie A320-200n17918628,918
Airbus Industrie A321Neoxlr10023019,295
Airbus Industrie A319511265,481
Embraer ERJ-17529761,727
Boeing 757-200972362
Boeing 737-9003178479
Boeing 767-300/300ER100

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

4,292 flights of 4,288 scheduled, 658,131 passengers in 752,557 seats, 851,343 pounds of freight, 386,094 pounds of mail. United Air Lines Inc. 1,824; Southwest Airlines Co. 1,555; Alaska Airlines Inc. 610; Frontier Airlines Inc. 280; SkyWest Airlines Inc. 16; Delta Air Lines Inc. 5; American Airlines Inc. 1; Sun Country Airlines d/b/a MN Airlines 1.

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

4,267 flights of 4,287 scheduled, 640,429 passengers in 747,566 seats, 900,788 pounds of freight, 390,856 pounds of mail. United Air Lines Inc. 1,806; Southwest Airlines Co. 1,548; Alaska Airlines Inc. 613; Frontier Airlines Inc. 280; SkyWest Airlines Inc. 13; Delta Air Lines Inc. 5; Air Transport International 1; Sun Country Airlines d/b/a MN Airlines 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 Portland International PDX; all routes.