Chicago O'Hare International ⇄ Denver International ORD–DEN
Airlines flew 12,268 flights between Chicago O'Hare International ORD in Chicago, IL and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 1,974,516 passengers in 2,339,260 seats, 84% of them filled, and 7,339,937 pounds of freight. 888 miles, about 129 minutes in the air, on 10 airlines: United Air Lines Inc. (7,598), American Airlines Inc. (2,900), Southwest Airlines Co. (770), Frontier Airlines Inc. (642) and 6 more. Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 939 |
| 2/25 | 883 |
| 3/25 | 1,050 |
| 4/25 | 995 |
| 5/25 | 1,116 |
| 6/25 | 1,139 |
| 7/25 | 1,151 |
| 8/25 | 1,189 |
| 9/25 | 1,215 |
| 10/25 | 1,250 |
| 11/25 | 832 |
| 12/25 | 844 |
| 1/26 | 799 |
| 2/26 | 884 |
| 3/26 | 964 |
| 4/26 | 973 |
| 5/26 | 1,169 |
| 6/26 | 1,072 |
| 7/26 | 1,077 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 141,313 |
| 2/25 | 136,459 |
| 3/25 | 167,593 |
| 4/25 | 148,319 |
| 5/25 | 187,304 |
| 6/25 | 190,004 |
| 7/25 | 201,064 |
| 8/25 | 207,274 |
| 9/25 | 206,344 |
| 10/25 | 203,348 |
| 11/25 | 135,779 |
| 12/25 | 140,516 |
| 1/26 | 123,192 |
| 2/26 | 126,384 |
| 3/26 | 153,257 |
| 4/26 | 143,652 |
| 5/26 | 175,038 |
| 6/26 | 179,213 |
| 7/26 | 180,519 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| United Air Lines Inc. UA | 7,598 | 1,356,518 | 85% | charter passenger service, scheduled passenger service |
| American Airlines Inc. AA | 2,900 | 370,305 | 83% | scheduled passenger service |
| Southwest Airlines Co. WN | 770 | 105,467 | 81% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 642 | 126,074 | 88% | scheduled passenger service |
| Envoy Air MQ | 250 | 15,789 | 83% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 98 | 160 | 3% | scheduled passenger service |
| Delta Air Lines Inc. DL | 7 | 203 | 38% | charter passenger service, scheduled passenger service |
| CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle LF | 1 | 0 | 0% | charter passenger service |
| United Parcel Service 5X | 1 | 0 | scheduled cargo service | |
| Sun Country Airlines d/b/a MN Airlines SY | 1 | 0 | 0% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Airbus Industrie A321-200n | 4,667 | 203 | 816,567 |
| Boeing 737-800 | 1,880 | 172 | 264,345 |
| Airbus Industrie A319 | 1,201 | 128 | 132,077 |
| Boeing 737-900ER | 1,084 | 179 | 157,312 |
| Boeing 757-300 | 1,083 | 234 | 217,857 |
| Boeing B737 Max 900 | 544 | 179 | 76,306 |
| Boeing B737 Max 800 | 454 | 174 | 63,920 |
| Boeing 777-200ER/200LR/233LR | 446 | 364 | 141,521 |
| Embraer ERJ-175 | 303 | 75 | 15,611 |
| Airbus Industrie A321Neoxlr | 192 | 224 | 36,556 |
| Airbus Industrie A320-200n | 150 | 186 | 25,374 |
| Boeing 737-700/700LR/Max 7 | 133 | 142 | 14,888 |
| Boeing 757-200 | 38 | 160 | 4,873 |
| Airbus Industrie A320-100/200 | 34 | 165 | 4,911 |
| Canadair RJ-200ER /RJ-440 | 19 | 50 | 92 |
| Bombardier CRJ550 | 11 | 50 | 0 |
| Canadair RJ-700 | 10 | 66 | 3 |
| Embraer-Emb-170 | 5 | 65 | 243 |
| Boeing 767-300/300ER | 4 | 125 | 418 |
| Boeing 767-400/ER | 4 | 231 | 884 |
| B787-800 Dreamliner | 2 | 243 | 417 |
| B787-900 Dreamliner | 2 | 257 | 244 |
| Embraer-135 | 1 | 30 | 0 |
| A200-100 BD-500-1A10 | 1 | 109 | 97 |
ORD → DEN this direction alone · flown January 2025 to July 2026
6,146 flights of 6,188 scheduled, 986,736 passengers in 1,167,804 seats, 3,936,892 pounds of freight, 229,672 pounds of mail. United Air Lines Inc. 3,800; American Airlines Inc. 1,455; Southwest Airlines Co. 384; Frontier Airlines Inc. 320; Envoy Air 126; SkyWest Airlines Inc. 57; Delta Air Lines Inc. 3; CFM Inc d/b/a Contour Airlines d/b/a One Jet Shuttle 1.
DEN → ORD this direction alone · flown January 2025 to July 2026
6,122 flights of 6,166 scheduled, 987,780 passengers in 1,171,456 seats, 3,403,045 pounds of freight, 674,750 pounds of mail. United Air Lines Inc. 3,798; American Airlines Inc. 1,445; Southwest Airlines Co. 386; Frontier Airlines Inc. 322; Envoy Air 124; SkyWest Airlines Inc. 41; Delta Air Lines Inc. 4; United Parcel Service 1; Sun Country Airlines d/b/a MN Airlines 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: Chicago O'Hare International ORD and Denver International DEN; all routes.