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

Idaho Falls Regional ⇄ Denver International IDA–DEN

Airlines flew 3,390 flights between Idaho Falls Regional IDA in Idaho Falls, ID and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 215,279 passengers in 250,748 seats, 86% of them filled, and 1,019 pounds of freight. 458 miles, about 69 minutes in the air, on 4 airlines: SkyWest Airlines Inc. (2,944), United Air Lines Inc. (428), Allegiant Air (17), Delta Air Lines Inc. (1). Planning to fly it yourself? The weather and winds along this route right now.

3,390
flights, twelve months
IDA-DEN: 1,688 · DEN-IDA: 1,702
215,279
passengers
86% of seats filled
458
miles
about 69 minutes airborne
4
airlines
11 aircraft types

Flights by month both directions

0941892843781/254/257/2510/251/264/263057/26
By month, as a table
flights
1/25243
2/25219
3/25248
4/25238
5/25307
6/25326
7/25378
8/25371
9/25328
10/25297
11/25285
12/25275
1/26260
2/26222
3/26242
4/26238
5/26267
6/26300
7/26305

Passengers by month

05,52911,05816,58622,1151/254/257/2510/251/264/2622,1157/26
By month, as a table
passengers
1/2512,874
2/2511,788
3/2513,200
4/2513,454
5/2516,170
6/2517,984
7/2520,786
8/2520,670
9/2518,053
10/2516,430
11/2516,350
12/2517,600
1/2617,507
2/2615,498
3/2616,416
4/2615,074
5/2619,058
6/2620,508
7/2622,115

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
SkyWest Airlines Inc. OO2,944160,45386%scheduled passenger service
United Air Lines Inc. UA42853,34587%scheduled passenger service
Allegiant Air G4171,36644%scheduled passenger service
Delta Air Lines Inc. DL111561%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Embraer ERJ-1751,0267465,502
Bombardier CRJ5507155028,984
Canadair RJ-7006027037,395
Canadair RJ-200ER /RJ-4404585019,932
Airbus Industrie A31922612625,545
Embraer-Emb-170143708,640
Boeing 737-80013616619,395
Airbus Industrie A320-100/200791579,140
Boeing B737 Max 9002179305
Boeing 737-900ER2179326
Airbus Industrie A321Neoxlr1189115

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

1,688 flights of 1,691 scheduled, 108,135 passengers in 124,599 seats, 207 pounds of freight. SkyWest Airlines Inc. 1,468; United Air Lines Inc. 212; Allegiant Air 8.

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

1,702 flights of 1,700 scheduled, 107,144 passengers in 126,149 seats, 812 pounds of freight. SkyWest Airlines Inc. 1,476; United Air Lines Inc. 216; Allegiant Air 9; Delta 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: Idaho Falls Regional IDA and Denver International DEN; all routes.