Columbus (CMH) to Denver (DEN) flights
Southwest Airlines, United Airlines, Frontier Airlines fly nonstop from John Glenn Columbus International Airport to Denver International Airport, with about 37 flights a week in July 2026. The 1,154-mile flight takes about 3h 10m gate to gate.
- Distance
- 1,154 mi · 1,857 km
- Flight time
- 3h 10m
- Airlines
- 3
- Seats filled
- 81%
Airlines flying CMH to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 21 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 120,890 | 3h 5m |
| United Airlines | 14 | Boeing 737-800, Boeing 737-900ER, Airbus A320-100/200 | 100,068 | 3h 16m |
| Frontier Airlines | 3 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 19,109 | 3h 17m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
CMH to DEN flight schedule
9 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:40am and the last at 6:50pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 1167Southwest Airlines | 6:40am | 7:40am | 28 | 93% |
| UA 1067United Airlines | 8:45am | 10:00am | 21 | 91% |
| UA 728United Airlines | 9:00am | 10:14am | 10 | 86% |
| WN 1169Southwest Airlines | 12:50pm | 1:50pm | 20 | 74% |
| WN 1089Southwest Airlines | 1:25pm | 2:25pm | 4 | n/a |
| F9 1693Frontier Airlines | 3:22pm | 4:40pm | 13 | 71% |
| UA 1389United Airlines | 5:08pm | 6:23pm | 31 | 77% |
| WN 3532Southwest Airlines | 5:35pm | 6:40pm | 4 | n/a |
| WN 3483Southwest Airlines | 6:50pm | 7:55pm | 14 | 29% |
Is CMH to DEN on time?
From September 2025 to August 2026, 79% of 1,776 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 5am were the most punctual (94%), those around 6pm the least (65%). Most delay time was caused by late-arriving aircraft (35%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 923 | 79% | 16 min | 0.5% |
| United Airlines | 728 | 82% | 14 min | 0.8% |
| Frontier Airlines | 125 | 71% | 23 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 164 | 94% | |
| 6am to 7am | 187 | 93% | |
| 8am to 9am | 276 | 86% | |
| 9am to 10am | 89 | 85% | |
| 12pm to 1pm | 89 | 77% | |
| 3pm to 4pm | 219 | 75% | |
| 4pm to 5pm | 197 | 79% | |
| 5pm to 6pm | 51 | 56% | |
| 6pm to 7pm | 229 | 65% | |
| 7pm to 8pm | 81 | 74% | |
| 8pm to 9pm | 108 | 69% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 148 | 21,480 | |
| September 2025 | 146 | 21,771 | |
| October 2025 | 165 | 22,077 | |
| November 2025 | 142 | 17,699 | |
| December 2025 | 141 | 19,073 | |
| January 2026 | 124 | 14,888 | |
| February 2026 | 126 | 15,429 | |
| March 2026 | 146 | 19,630 | |
| April 2026 | 149 | 19,010 | |
| May 2026 | 152 | 21,794 | |
| June 2026 | 153 | 23,624 | |
| July 2026 | 166 | 23,631 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.