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

Cleveland-Hopkins International ⇄ Denver International CLE–DEN

Airlines flew 3,673 flights between Cleveland-Hopkins International CLE in Cleveland, OH and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 545,909 passengers in 650,720 seats, 84% of them filled, and 501,131 pounds of freight. 1,201 miles, about 172 minutes in the air, on 4 airlines: United Air Lines Inc. (1,890), Southwest Airlines Co. (1,201), Frontier Airlines Inc. (579), Delta Air Lines Inc. (3). Planning to fly it yourself? The weather and winds along this route right now.

3,673
flights, twelve months
CLE-DEN: 1,827 · DEN-CLE: 1,846
545,909
passengers
84% of seats filled
1,201
miles
about 172 minutes airborne
4
airlines
11 aircraft types

Flights by month both directions

0931862783711/254/257/2510/251/264/263677/26
By month, as a table
flights
1/25251
2/25201
3/25241
4/25306
5/25320
6/25350
7/25371
8/25351
9/25325
10/25316
11/25305
12/25330
1/26243
2/26206
3/26268
4/26277
5/26323
6/26362
7/26367

Passengers by month

015,06230,12545,18860,2501/254/257/2510/251/264/2655,7887/26
By month, as a table
passengers
1/2535,855
2/2529,696
3/2535,698
4/2540,933
5/2548,637
6/2554,685
7/2560,250
8/2556,270
9/2551,300
10/2548,841
11/2541,115
12/2546,133
1/2633,815
2/2630,148
3/2639,257
4/2640,028
5/2647,631
6/2655,583
7/2655,788

The airlines twelve months, both directions

AirlineFlightsPassengersSeats filledService
United Air Lines Inc. UA1,890285,71388%scheduled passenger service
Southwest Airlines Co. WN1,201161,97280%scheduled passenger service
Frontier Airlines Inc. F957998,01079%scheduled passenger service
Delta Air Lines Inc. DL321470%charter passenger service

The aircraft as the airlines report their types

AircraftFlightsSeats a flightPassengers
Boeing 737-8001,180169168,666
Boeing B737 Max 800939171134,696
Boeing 737-900ER58017992,088
Airbus Industrie A321-200n25223445,927
Airbus Industrie A320-200n21118631,810
Boeing 737-700/700LR/Max 719514123,070
Boeing B737 Max 90017917926,716
Airbus Industrie A321Neoxlr8723015,933
Airbus Industrie A320-100/200381785,778
Airbus Industrie A3198126885
Boeing 757-2004124340

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

1,827 flights of 1,833 scheduled, 274,390 passengers in 322,780 seats, 161,224 pounds of freight. United Air Lines Inc. 941; Southwest Airlines Co. 597; Frontier Airlines Inc. 288; Delta Air Lines Inc. 1.

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

1,846 flights of 1,836 scheduled, 271,519 passengers in 327,940 seats, 339,907 pounds of freight, 168 pounds of mail. United Air Lines Inc. 949; Southwest Airlines Co. 604; Frontier Airlines Inc. 291; Delta Air Lines Inc. 2.

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: Cleveland-Hopkins International CLE and Denver International DEN; all routes.