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

Portland International ⇄ Des Moines International PDX–DSM

Airlines flew 114 flights between Portland International PDX in Portland, OR and Des Moines International DSM in Des Moines, IA in the twelve months to July 2026, both directions together: 18,151 passengers in 20,511 seats, 88% of them filled, and 499 pounds of freight. 1,471 miles, about 178 minutes in the air, on 3 airlines: Allegiant Air (112), United Air Lines Inc. (1), Southwest Airlines Co. (1). Planning to fly it yourself? The weather and winds along this route right now.

114
flights, twelve months
PDX-DSM: 58 · DSM-PDX: 56
18,151
passengers
88% of seats filled
1,471
miles
about 178 minutes airborne
3
airlines
3 aircraft types

Flights by month both directions

071421285/258/254/26267/26
By month, as a table
flights
5/256
6/2524
7/2528
8/2523
9/2516
10/2516
4/261
5/268
6/2624
7/2626

Passengers by month

01,1392,2783,4174,5565/258/254/264,3617/26
By month, as a table
passengers
5/25901
6/253,822
7/254,556
8/253,745
9/252,359
10/252,437
4/26164
5/261,210
6/263,875
7/264,361

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Allegiant Air G411217,79488%scheduled passenger service
United Air Lines Inc. UA119396%scheduled passenger service
Southwest Airlines Co. WN116494%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Airbus Industrie A320-100/20011218017,794
Airbus Industrie A321-200n1200193
Boeing B737 Max 8001175164

PDX → DSM this direction alone · flown May 2025 to July 2026

58 flights of 56 scheduled, 9,241 passengers in 10,443 seats, 499 pounds of freight. Allegiant Air 56; United Air Lines Inc. 1; Southwest Airlines Co. 1.

DSM → PDX this direction alone · flown May 2025 to July 2026

56 flights of 56 scheduled, 8,910 passengers in 10,068 seats. Allegiant Air 56.

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: Portland International PDX and Des Moines International DSM; all routes.