--- title: "Appleton (ATW) to Denver (DEN) flights: who flies it" description: "United Airlines and Allegiant Air fly nonstop from ATW to DEN, about 14 flights a week, scheduled at 2h 31m to 3h 3m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/atw-den" url: "https://2lnr.com/routes/atw-den.md" date_modified: "2026-10-18T05:10:47Z" --- # Appleton to Denver (ATW-DEN): nonstop flights and who flies them United Airlines and Allegiant Air fly nonstop between Appleton (ATW) and Denver (DEN), roughly 14 times a week. The timetable below shows the nonstop scheduled at 2h 31m to 3h 3m for the 881 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 22, 2026. See ATW to DEN on the interactive map [Get started free](https://2lnr.com/login) 14 Flights a week, 4-week average 2h 31m to 3h 3m Scheduled flight time 881 mi Nonstop distance Free To get started ## Appleton to Denver flight schedule Scheduled nonstop departures for ATW to DEN starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Appleton (ATW) to Denver (DEN) | Date | Flight | Airline | Departs ATW | Arrives DEN | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 1248 | United Airlines | 08:50 | 10:35 | 2h 45m | [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) | | Fri, Oct 23 | UA 1248 | United Airlines | 08:50 | 10:35 | 2h 45m | Airbus A319 | | Fri, Oct 23 | G4 3181 | Allegiant Air | 17:29 | 19:00 | 2h 31m | [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md) | | Sat, Oct 24 | UA 1248 | United Airlines | 08:50 | 10:35 | 2h 45m | Airbus A319 | | Sun, Oct 25 | UA 5317 | United Airlines | 08:30 | 10:07 | 2h 37m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Sun, Oct 25 | UA 419 | United Airlines | 08:32 | 10:09 | 2h 37m | Airbus A319 | | Mon, Oct 26 | UA 5317 | United Airlines | 08:30 | 10:07 | 2h 37m | Embraer E175 | | Mon, Oct 26 | UA 419 | United Airlines | 08:32 | 10:09 | 2h 37m | Airbus A319 | | Mon, Oct 26 | G4 3181 | Allegiant Air | 17:29 | 19:00 | 2h 31m | Airbus A320 | | Tue, Oct 27 | UA 419 | United Airlines | 08:30 | 10:33 | 3h 3m | Airbus A319 | | Tue, Oct 27 | UA 5317 | United Airlines | 08:30 | 10:07 | 2h 37m | Embraer E175 | | Wed, Oct 28 | UA 419 | United Airlines | 08:30 | 10:33 | 3h 3m | Airbus A319 | | Wed, Oct 28 | UA 5317 | United Airlines | 08:30 | 10:07 | 2h 37m | Embraer E175 | Showing all 13 scheduled ATW to DEN departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every ATW to DEN date on the interactive map ## Aircraft on the Appleton to Denver nonstop In the schedule table on this page, United Airlines flies the [Airbus A319](https://2lnr.com/seatmaps/ua/a319.md) and the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md), and Allegiant Air flies the [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md). Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full ATW to DEN nonstop schedule This page carries the full ATW to DEN nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each ATW to DEN nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See ATW to DEN on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Appleton to Denver nonstop Carriers operating ATW to DEN nonstop in the current schedule. - [United Airlines (UA) route map](https://2lnr.com/routes/airlines/ua.md)\ [The aircraft UA flies](https://2lnr.com/seatmaps/ua.md) - [Allegiant Air (G4) route map](https://2lnr.com/routes/airlines/g4.md)\ [The aircraft G4 flies](https://2lnr.com/seatmaps/g4.md) See ATW to DEN on the interactive map → ## Frequently asked questions about ATW to DEN **How long is the flight from Appleton (ATW) to Denver (DEN)?** Scheduled flight times from Appleton (ATW) to Denver (DEN) run from 2h 31m to 3h 3m across the departures in the schedule table on this page. The nonstop covers about 881 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from ATW to DEN?** United Airlines and Allegiant Air fly ATW to DEN nonstop. 2LNR doesn't show award or upgrade space for any of them on ATW to DEN, so this page carries the schedule rather than a space claim. **How many flights a week are there from ATW to DEN?** About 14 nonstop flights a week run between Appleton (ATW) and Denver (DEN) in the current schedule, operated by United Airlines and Allegiant Air. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from ATW to DEN depart?** Scheduled ATW to DEN nonstops in the next 7 days with service leave between 08:30 and 17:29, local time at Appleton. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate ATW to DEN nonstop?** In the schedule table on this page, ATW to DEN nonstops fly as UA 419, UA 1248, and UA 5317 on United Airlines, and G4 3181 on Allegiant Air. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on ATW to DEN?** Not on this route: 2LNR doesn't show award or upgrade space for any airline flying ATW to DEN. The page carries the full ATW to DEN nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [DEN to ATW nonstop flights](https://2lnr.com/routes/den-atw.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Appleton (ATW)](https://2lnr.com/routes/atw.md), or [every route from Denver (DEN)](https://2lnr.com/routes/den.md). Nonstops to Denver (DEN) from other airports within 150 miles of Appleton (ATW): - [Madison (MSN) to Denver (DEN)](https://2lnr.com/routes/msn-den.md), 87 miles from ATW - [Milwaukee (MKE) to Denver (DEN)](https://2lnr.com/routes/mke-den.md), 96 miles from ATW - [Traverse City (TVC) to Denver (DEN)](https://2lnr.com/routes/tvc-den.md), 149 miles from ATW Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full ATW to DEN nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)