--- title: "Denver (DEN) to Alto (RUI) flights: who flies it" description: "Contour Airlines flies Denver (DEN) to Alto (RUI) nonstop about 4 times a week as LF 3354, scheduled at 1h 40m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/den-rui" url: "https://2lnr.com/routes/den-rui.md" date_modified: "2026-10-18T05:10:47Z" --- # Denver to Alto (DEN-RUI): nonstop flights and who flies them Contour Airlines flies the DEN to RUI nonstop about 4 times a week. In the timetable below it flies as LF 3354, scheduled at 1h 40m for the 452 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See DEN to RUI on the interactive map [Get started free](https://2lnr.com/login) 4 Flights a week, 4-week average 1h 40m Scheduled flight time 452 mi Nonstop distance Free To get started ## Denver to Alto flight schedule Scheduled nonstop departures for DEN to RUI 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 Denver (DEN) to Alto (RUI) | Date | Flight | Airline | Departs DEN | Arrives RUI | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | LF 3354 | Contour Airlines | 15:05 | 16:45 | 1h 40m | ERJ | | Fri, Oct 23 | LF 3354 | Contour Airlines | 15:05 | 16:45 | 1h 40m | ERJ | | Sun, Oct 25 | LF 3354 | Contour Airlines | 15:05 | 16:45 | 1h 40m | ERJ | | Mon, Oct 26 | LF 3354 | Contour Airlines | 15:05 | 16:45 | 1h 40m | ERJ | | Thu, Oct 29 | LF 3354 | Contour Airlines | 15:05 | 16:45 | 1h 40m | ERJ | | Fri, Oct 30 | LF 3354 | Contour Airlines | 15:05 | 16:45 | 1h 40m | ERJ | | Sun, Nov 1 | LF 3354 | Contour Airlines | 15:05 | 16:45 | 1h 40m | ERJ | Showing all 7 scheduled DEN to RUI 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 DEN to RUI date on the interactive map ## Aircraft on the Denver to Alto nonstop Contour Airlines flies the Embraer ERJ on every departure in the schedule table on this page. ## The full DEN to RUI nonstop schedule This page carries the full DEN to RUI nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each DEN to RUI nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See DEN to RUI on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Denver to Alto nonstop Carriers operating DEN to RUI nonstop in the current schedule. - [Contour Airlines (LF) route map](https://2lnr.com/routes/airlines/lf.md) See DEN to RUI on the interactive map → ## Frequently asked questions about DEN to RUI **How long is the flight from Denver (DEN) to Alto (RUI)?** LF 3354 is scheduled at 1h 40m from Denver (DEN) to Alto (RUI) on every departure in the schedule table on this page. The nonstop covers about 452 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from DEN to RUI?** Contour Airlines is currently the only airline flying DEN to RUI nonstop. 2LNR doesn't show award or upgrade space for it on DEN to RUI, so this page carries the schedule rather than a space claim. **How many flights a week are there from DEN to RUI?** About 4 nonstop flights a week run between Denver (DEN) and Alto (RUI) in the current schedule, operated by Contour Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from DEN to RUI depart?** In the next 7 days with service, every scheduled DEN to RUI nonstop leaves at 15:05 local time at Denver. The schedule table on this page lists each departure by date. **Which flights operate DEN to RUI nonstop?** Contour Airlines flies LF 3354 nonstop from Denver (DEN) to Alto (RUI), the only flight number in the schedule table on this page. The table lists each date with its departure and arrival times and aircraft. **Does 2LNR show upgrade or award space on DEN to RUI?** Not on this route: 2LNR doesn't show award or upgrade space for Contour Airlines on DEN to RUI. The page carries the full DEN to RUI nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [RUI to DEN nonstop flights](https://2lnr.com/routes/rui-den.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Denver (DEN)](https://2lnr.com/routes/den.md), or [every route from Alto (RUI)](https://2lnr.com/routes/rui.md). Nonstops from Denver (DEN) to other airports within 150 miles of Alto (RUI): - [Denver (DEN) to Roswell (ROW)](https://2lnr.com/routes/den-row.md), 65 miles from RUI - [Denver (DEN) to Carlsbad (CNM)](https://2lnr.com/routes/den-cnm.md), 108 miles from RUI - [Denver (DEN) to El Paso (ELP)](https://2lnr.com/routes/den-elp.md), 115 miles from RUI - [Denver (DEN) to Albuquerque (ABQ)](https://2lnr.com/routes/den-abq.md), 128 miles from RUI - [Denver (DEN) to Hobbs (HOB)](https://2lnr.com/routes/den-hob.md), 149 miles from RUI 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 DEN to RUI 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)