Cleveland (CLE) to Denver (DEN) flights
United Airlines, Southwest Airlines, Frontier Airlines fly nonstop from Cleveland Hopkins International Airport to Denver International Airport, with about 41 flights a week in July 2026. The 1,201-mile flight takes about 3h 17m gate to gate.
- Distance
- 1,201 mi · 1,933 km
- Flight time
- 3h 17m
- Airlines
- 3
- Seats filled
- 85%
Airlines flying CLE to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 21 | Boeing 737-800, Boeing 737-900ER, Boeing 737 MAX 8 | 144,290 | 3h 20m |
| Southwest Airlines | 13 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 79,128 | 3h 11m |
| Frontier Airlines | 7 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 50,972 | 3h 22m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
CLE to DEN flight schedule
7 flight numbers flew this route in August 2026, 5 of them almost daily. The first usually leaves at 6:15am and the last at 4:55pm. 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 3550Southwest Airlines | 6:15am | 7:20am | 20 | 75% |
| WN 4915Southwest Airlines | 6:55am | 8:05am | 14 | 69% |
| UA 690United Airlines | 9:00am | 10:18am | 31 | 91% |
| UA 2246United Airlines | 10:53am | 12:11pm | 28 | 90% |
| F9 4639Frontier Airlines | 12:03pm | 1:29pm | 31 | 85% |
| UA 486United Airlines | 4:35pm | 5:55pm | 31 | 83% |
| WN 4754Southwest Airlines | 4:55pm | 6:00pm | 16 | 33% |
Is CLE to DEN on time?
From September 2025 to August 2026, 82% of 1,845 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 5am were the most punctual (96%), those around 6pm the least (51%). Most delay time was caused by late-arriving aircraft (39%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 940 | 88% | 9 min | 0.1% |
| Southwest Airlines | 609 | 77% | 15 min | 0.7% |
| Frontier Airlines | 296 | 77% | 14 min | 1.7% |
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 | 118 | 96% | |
| 6am to 7am | 139 | 94% | |
| 7am to 8am | 50 | 88% | |
| 8am to 9am | 309 | 91% | |
| 9am to 10am | 53 | 93% | |
| 10am to 11am | 91 | 90% | |
| 11am to 12pm | 144 | 88% | |
| 12pm to 1pm | 153 | 91% | |
| 4pm to 5pm | 375 | 79% | |
| 5pm to 6pm | 113 | 69% | |
| 6pm to 7pm | 156 | 51% | |
| 8pm to 9pm | 53 | 55% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 176 | 28,058 | |
| September 2025 | 162 | 25,823 | |
| October 2025 | 157 | 24,290 | |
| November 2025 | 151 | 20,063 | |
| December 2025 | 165 | 24,217 | |
| January 2026 | 120 | 16,747 | |
| February 2026 | 102 | 15,212 | |
| March 2026 | 133 | 19,575 | |
| April 2026 | 140 | 19,860 | |
| May 2026 | 161 | 24,037 | |
| June 2026 | 178 | 27,937 | |
| July 2026 | 181 | 28,571 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.