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

Portland International ⇄ Billings Logan International PDX–BIL

Airlines flew 706 flights between Portland International PDX in Portland, OR and Billings Logan International BIL in Billings, MT in the twelve months to July 2026, both directions together: 45,509 passengers in 53,559 seats, 85% of them filled, and 75,164 pounds of freight. 679 miles, about 91 minutes in the air, on 4 airlines: Horizon Air (700), United Parcel Service (4), Delta Air Lines Inc. (1), United Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

706
flights, twelve months
PDX-BIL: 354 · BIL-PDX: 352
45,509
passengers
85% of seats filled
679
miles
about 91 minutes airborne
4
airlines
4 aircraft types

Flights by month both directions

0163350661/254/257/2510/251/264/26627/26
By month, as a table
flights
1/2566
2/2553
3/2563
4/2561
5/2562
6/2561
7/2562
8/2562
9/2561
10/2562
11/2558
12/2565
1/2648
2/2648
3/2658
4/2660
5/2662
6/2660
7/2662

Passengers by month

01,0622,1243,1864,2481/254/257/2510/251/264/264,2457/26
By month, as a table
passengers
1/253,344
2/252,919
3/253,892
4/253,958
5/254,240
6/254,149
7/254,230
8/254,248
9/254,093
10/254,034
11/253,618
12/254,054
1/262,613
2/262,742
3/263,709
4/263,844
5/264,134
6/264,175
7/264,245

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
Horizon Air QX70045,15685%scheduled passenger service
United Parcel Service 5X40scheduled cargo service
Delta Air Lines Inc. DL1180100%scheduled passenger service
United Air Lines Inc. UA117397%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1757007645,156
Boeing 757-200200
Boeing 737-900ER2180353
Boeing 767-300/300ER200

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

354 flights of 359 scheduled, 23,147 passengers in 26,883 seats, 26,334 pounds of freight, 864 pounds of mail. Horizon Air 349; United Parcel Service 3; Delta Air Lines Inc. 1; United Air Lines Inc. 1.

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

352 flights of 353 scheduled, 22,362 passengers in 26,676 seats, 48,830 pounds of freight. Horizon Air 351; United Parcel Service 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: Portland International PDX and Billings Logan International BIL; all routes.