Denver (DEN) to Knoxville/Maryville (TYS) flights
United Airlines, Southwest Airlines, Frontier Airlines, Allegiant Air fly nonstop from Denver International Airport to McGhee Tyson Airport, with about 26 flights a week in July 2026. The 1,162-mile flight takes about 2h 48m gate to gate.
- Distance
- 1,162 mi · 1,870 km
- Flight time
- 2h 48m
- Airlines
- 4
- Seats filled
- 83%
Airlines flying DEN to TYS
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 14 | Airbus A320-100/200, Airbus A319, Boeing 737 MAX 8 | 47,860 | 2h 48m |
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 9,075 | 2h 39m |
| Frontier Airlines | 3 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 20,527 | 2h 41m |
| Allegiant Air | 2 | Airbus A320-100/200 | 9,951 | 2h 41m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175 | 22,592 | 2h 53m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to TYS flight schedule
6 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 10:58am and the last at 5:35pm. 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 2787United Airlines | 10:58am | 3:53pm | 10 | 74% |
| UA 1241United Airlines | 11:00am | 3:54pm | 21 | 91% |
| WN 232Southwest Airlines | 11:10am | 3:55pm | 12 | 83% |
| WN 1711Southwest Airlines | 11:40am | 4:30pm | 16 | 88% |
| F9 2374Frontier Airlines | 2:34pm | 7:24pm | 7 | 81% |
| UA 2473United Airlines | 5:35pm | 10:29pm | 31 | 64% |
Is DEN to TYS on time?
From September 2025 to August 2026, 81% of 1,029 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 9am were the most punctual (91%), those around 5pm the least (75%). Most delay time was caused by late-arriving aircraft (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 728 | 81% | 12 min | 0.5% |
| Frontier Airlines | 131 | 81% | 12 min | 0% |
| Southwest Airlines | 104 | 78% | 9 min | 0% |
| Allegiant Air | 66 | 88% | 9 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 |
|---|---|---|---|
| 8am to 9am | 28 | 89% | |
| 9am to 10am | 66 | 91% | |
| 10am to 11am | 331 | 85% | |
| 11am to 12pm | 86 | 87% | |
| 1pm to 2pm | 41 | 73% | |
| 2pm to 3pm | 101 | 80% | |
| 5pm to 6pm | 363 | 75% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 81 | 8,650 | |
| September 2025 | 81 | 9,540 | |
| October 2025 | 88 | 10,637 | |
| November 2025 | 78 | 8,800 | |
| December 2025 | 85 | 7,629 | |
| January 2026 | 69 | 5,003 | |
| February 2026 | 64 | 4,617 | |
| March 2026 | 71 | 6,860 | |
| April 2026 | 75 | 8,066 | |
| May 2026 | 84 | 10,161 | |
| June 2026 | 107 | 14,772 | |
| July 2026 | 115 | 15,270 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.