Cincinnati / Covington (CVG) to Denver (DEN) flights
United Airlines, Southwest Airlines, Frontier Airlines, Allegiant Air fly nonstop from Cincinnati Northern Kentucky International Airport to Denver International Airport, with about 29 flights a week in July 2026. The 1,069-mile flight takes about 3h 1m gate to gate.
- Distance
- 1,069 mi · 1,720 km
- Flight time
- 3h 1m
- Airlines
- 4
- Seats filled
- 83%
Airlines flying CVG to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 14 | Boeing 737-800, Boeing 737-900ER, Airbus A319 | 99,970 | 3h 3m |
| Southwest Airlines | 7 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 49,407 | 2h 53m |
| Frontier Airlines | 7 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 64,158 | 3h 7m |
| Allegiant Air | 2 | Airbus A320-100/200 | 4,294 | 2h 53m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
CVG to DEN flight schedule
6 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 8:00am and the last at 8:30pm. 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) |
|---|---|---|---|---|
| UA 1666United Airlines | 8:00am | 9:02am | 31 | 88% |
| WN 687Southwest Airlines | 12:05pm | 12:55pm | 4 | n/a |
| WN 4024Southwest Airlines | 12:55pm | 1:45pm | 16 | 79% |
| WN 1080Southwest Airlines | 2:20pm | 3:10pm | 8 | n/a |
| UA 479United Airlines | 3:25pm | 4:28pm | 31 | 87% |
| F9 3725Frontier Airlines | 8:30pm | 9:40pm | 31 | 82% |
Is CVG to DEN on time?
From September 2025 to August 2026, 83% of 1,498 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 8am were the most punctual (91%), those around 6pm the least (74%). Most delay time was caused by late-arriving aircraft (37%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 727 | 87% | 11 min | 0.6% |
| Frontier Airlines | 381 | 82% | 17 min | 0.8% |
| Southwest Airlines | 364 | 74% | 15 min | 1.4% |
| Allegiant Air | 26 | 85% | 7 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 |
|---|---|---|---|
| 6am to 7am | 98 | 90% | |
| 7am to 8am | 50 | 86% | |
| 8am to 9am | 199 | 91% | |
| 9am to 10am | 199 | 83% | |
| 11am to 12pm | 54 | 80% | |
| 12pm to 1pm | 85 | 80% | |
| 1pm to 2pm | 69 | 81% | |
| 2pm to 3pm | 46 | 67% | |
| 3pm to 4pm | 406 | 86% | |
| 6pm to 7pm | 93 | 74% | |
| 8pm to 9pm | 143 | 74% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 130 | 19,191 | |
| September 2025 | 132 | 20,611 | |
| October 2025 | 140 | 21,071 | |
| November 2025 | 128 | 16,851 | |
| December 2025 | 123 | 17,278 | |
| January 2026 | 111 | 14,064 | |
| February 2026 | 100 | 13,388 | |
| March 2026 | 127 | 18,434 | |
| April 2026 | 116 | 15,778 | |
| May 2026 | 126 | 19,206 | |
| June 2026 | 126 | 20,856 | |
| July 2026 | 128 | 21,245 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.