Appleton (ATW) to Denver (DEN) flights
United Airlines, Allegiant Air fly nonstop from Appleton International Airport to Denver International Airport, with about 9 flights a week in July 2026. The 883-mile flight takes about 2h 51m gate to gate.
- Distance
- 883 mi · 1,421 km
- Flight time
- 2h 51m
- Airlines
- 2
- Seats filled
- 91%
Airlines flying ATW to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 7 | Airbus A319, Airbus A320-100/200 | 8,523 | 2h 37m |
| Allegiant Air | 2 | Airbus A320-100/200 | 7,788 | 2h 42m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175, Bombardier CRJ200 | 19,740 | 2h 56m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ATW to DEN flight schedule
3 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 8:45am and the last at 5:08pm. 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 1248United Airlines | 8:45am | 10:30am | 21 | 95% |
| UA 255United Airlines | 8:45am | 10:31am | 10 | 88% |
| G4 1561Allegiant Air | 5:08pm | 6:49pm | 5 | 69% |
Is ATW to DEN on time?
From September 2025 to August 2026, 81% of 410 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 8am were the most punctual (83%), those around 4pm the least (71%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (65%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 364 | 83% | 15 min | 1.4% |
| Allegiant Air | 46 | 69% | 31 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 | 367 | 83% | |
| 3pm to 4pm | 12 | 67% | |
| 4pm to 5pm | 22 | 71% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 41 | 3,873 | |
| September 2025 | 38 | 3,385 | |
| October 2025 | 39 | 3,460 | |
| November 2025 | 29 | 1,871 | |
| December 2025 | 31 | 2,120 | |
| January 2026 | 31 | 2,161 | |
| February 2026 | 27 | 1,872 | |
| March 2026 | 28 | 1,888 | |
| April 2026 | 31 | 1,998 | |
| May 2026 | 35 | 3,040 | |
| June 2026 | 39 | 4,988 | |
| July 2026 | 40 | 5,395 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.