Kansas City International ⇄ Denver International MCI–DEN
Airlines flew 8,655 flights between Kansas City International MCI in Kansas City, MO and Denver International DEN in Denver, CO in the twelve months to July 2026, both directions together: 1,083,718 passengers in 1,352,967 seats, 80% of them filled, and 1,158,980 pounds of freight. 533 miles, about 85 minutes in the air, on 11 airlines: Southwest Airlines Co. (4,699), United Air Lines Inc. (2,589), SkyWest Airlines Inc. (791), Frontier Airlines Inc. (559) and 7 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 | 559 |
| 2/25 | 562 |
| 3/25 | 653 |
| 4/25 | 669 |
| 5/25 | 732 |
| 6/25 | 761 |
| 7/25 | 771 |
| 8/25 | 743 |
| 9/25 | 723 |
| 10/25 | 786 |
| 11/25 | 703 |
| 12/25 | 670 |
| 1/26 | 604 |
| 2/26 | 587 |
| 3/26 | 680 |
| 4/26 | 681 |
| 5/26 | 761 |
| 6/26 | 833 |
| 7/26 | 884 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 68,268 |
| 2/25 | 68,171 |
| 3/25 | 82,892 |
| 4/25 | 79,200 |
| 5/25 | 94,236 |
| 6/25 | 99,628 |
| 7/25 | 102,483 |
| 8/25 | 96,003 |
| 9/25 | 95,238 |
| 10/25 | 103,212 |
| 11/25 | 82,040 |
| 12/25 | 78,773 |
| 1/26 | 67,688 |
| 2/26 | 73,396 |
| 3/26 | 87,849 |
| 4/26 | 83,738 |
| 5/26 | 97,552 |
| 6/26 | 106,007 |
| 7/26 | 112,222 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Southwest Airlines Co. WN | 4,699 | 594,834 | 78% | scheduled passenger service |
| United Air Lines Inc. UA | 2,589 | 347,693 | 82% | charter passenger service, scheduled passenger service |
| SkyWest Airlines Inc. OO | 791 | 48,694 | 84% | scheduled passenger service |
| Frontier Airlines Inc. F9 | 559 | 91,258 | 83% | scheduled passenger service |
| Delta Air Lines Inc. DL | 4 | 558 | 87% | scheduled passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 4 | 172 | 23% | charter passenger service |
| Atlas Air Inc. 5Y | 2 | 0 | 0% | charter passenger service |
| Alaska Airlines Inc. AS | 2 | 249 | 73% | scheduled passenger service |
| United Parcel Service 5X | 2 | 0 | scheduled cargo service | |
| JetBlue Airways B6 | 2 | 260 | 93% | scheduled passenger service |
| Federal Express Corporation FX | 1 | 0 | scheduled cargo service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Boeing 737-800 | 2,444 | 170 | 334,505 |
| Boeing B737 Max 800 | 2,315 | 173 | 314,534 |
| Boeing 737-700/700LR/Max 7 | 1,756 | 140 | 197,209 |
| Embraer ERJ-175 | 776 | 73 | 48,099 |
| Airbus Industrie A320-100/200 | 403 | 152 | 50,924 |
| Airbus Industrie A320-200n | 353 | 186 | 54,955 |
| Boeing 737-900ER | 187 | 179 | 25,024 |
| Airbus Industrie A321-200n | 153 | 220 | 26,917 |
| Airbus Industrie A319 | 137 | 126 | 13,879 |
| Boeing B737 Max 900 | 74 | 179 | 10,121 |
| Airbus Industrie A321Neoxlr | 31 | 229 | 5,996 |
| Canadair RJ-700 | 10 | 70 | 595 |
| Canadair RJ-200ER /RJ-440 | 3 | 50 | 0 |
| A220-300 BD-500-1A11 | 3 | 137 | 386 |
| Boeing 747-400 | 2 | 189 | 0 |
| B787-900 Dreamliner | 2 | 257 | 355 |
| Bombardier CRJ550 | 2 | 50 | 0 |
| Boeing 757-200 | 2 | 0 | 0 |
| Boeing 757-300 | 1 | 234 | 219 |
| Boeing 767-300/300ER | 1 | 0 | 0 |
MCI → DEN this direction alone · flown January 2025 to July 2026
4,318 flights of 4,328 scheduled, 549,165 passengers in 673,240 seats, 589,839 pounds of freight, 3 pounds of mail. Southwest Airlines Co. 2,345; United Air Lines Inc. 1,292; SkyWest Airlines Inc. 396; Frontier Airlines Inc. 279; Delta Air Lines Inc. 2; Sun Country Airlines d/b/a MN Airlines 2; Atlas Air Inc. 1; Alaska Airlines Inc. 1.
DEN → MCI this direction alone · flown January 2025 to July 2026
4,337 flights of 4,326 scheduled, 534,553 passengers in 679,727 seats, 569,141 pounds of freight, 39,188 pounds of mail. Southwest Airlines Co. 2,354; United Air Lines Inc. 1,297; SkyWest Airlines Inc. 395; Frontier Airlines Inc. 280; United Parcel Service 2; JetBlue Airways 2; Delta Air Lines Inc. 2; Sun Country Airlines d/b/a MN Airlines 2; Atlas Air Inc. 1; Alaska Airlines Inc. 1; Federal Express Corporation 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: Kansas City International MCI and Denver International DEN; all routes.