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

The Eastern Iowa ⇄ Denver International CID–DEN

Airlines flew 2,246 flights between The Eastern Iowa CID in Cedar Rapids, IA and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 267,507 passengers in 333,415 seats, 80% of them filled, and 97,299 pounds of freight. 692 miles, about 105 minutes in the air, on 6 airlines: United Air Lines Inc. (1,442), SkyWest Airlines Inc. (465), Frontier Airlines Inc. (330), United Parcel Service (7) and 2 more. Planning to fly it yourself? The weather and winds along this route right now.

2,246
flights, twelve months
CID-DEN: 1,121 · DEN-CID: 1,125
267,507
passengers
80% of seats filled
692
miles
about 105 minutes airborne
6
airlines
13 aircraft types

Flights by month both directions

0661311962621/254/257/2510/251/264/262627/26
By month, as a table
flights
1/25131
2/25122
3/25146
4/25140
5/25194
6/25201
7/25207
8/25200
9/25194
10/25204
11/25188
12/25148
1/26140
2/26130
3/26157
4/26154
5/26218
6/26251
7/26262

Passengers by month

07,23214,46421,69728,9291/254/257/2510/251/264/2628,9297/26
By month, as a table
passengers
1/2516,195
2/2514,745
3/2517,348
4/2516,968
5/2521,666
6/2524,605
7/2525,864
8/2524,107
9/2524,118
10/2525,610
11/2520,632
12/2519,254
1/2617,053
2/2616,275
3/2621,208
4/2618,987
5/2623,942
6/2627,392
7/2628,929

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA1,442196,87384%scheduled passenger service
SkyWest Airlines Inc. OO46528,36884%scheduled passenger service
Frontier Airlines Inc. F933042,07865%scheduled passenger service
United Parcel Service 5X70scheduled cargo service
American Airlines Inc. AA111489%scheduled passenger service
Envoy Air MQ17497%scheduled passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-800926166127,442
Embraer ERJ-1754337326,331
Airbus Industrie A320-200n22218627,919
Boeing 737-900ER20017929,608
Airbus Industrie A31914512616,036
Airbus Industrie A320-100/20012515716,428
Airbus Industrie A321-200n652198,240
Boeing B737 Max 900451796,937
Canadair RJ-70031702,038
Boeing B737 Max 800271663,681
Airbus Industrie A321Neoxlr182302,774
Boeing 757-200700
Bombardier CRJ55025073

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

1,121 flights of 1,131 scheduled, 133,197 passengers in 165,792 seats, 95,525 pounds of freight. United Air Lines Inc. 716; SkyWest Airlines Inc. 233; Frontier Airlines Inc. 165; United Parcel Service 7.

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

1,125 flights of 1,126 scheduled, 134,310 passengers in 167,623 seats, 1,774 pounds of freight. United Air Lines Inc. 726; SkyWest Airlines Inc. 232; Frontier Airlines Inc. 165; American Airlines Inc. 1; Envoy Air 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: The Eastern Iowa CID and Denver International DEN; all routes.