--- title: "Denver (DEN) to Sioux Falls (FSD) flights: who flies it" description: "United Airlines flies Denver (DEN) to Sioux Falls (FSD) nonstop about 31 times a week, scheduled at 1h 40m to 1h 49m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/den-fsd" url: "https://2lnr.com/routes/den-fsd.md" date_modified: "2026-10-18T05:10:47Z" --- # Denver to Sioux Falls (DEN-FSD): nonstop flights and who flies them United Airlines flies nonstop between Denver (DEN) and Sioux Falls (FSD), roughly 31 times a week. The timetable below shows the nonstop scheduled at 1h 40m to 1h 49m for the 484 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 DEN to FSD on the interactive map [Get started free](https://2lnr.com/login) 31 Flights a week, 4-week average 1h 40m to 1h 49m Scheduled flight time 484 mi Nonstop distance Free To get started ## Denver to Sioux Falls flight schedule Scheduled nonstop departures for DEN to FSD 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 Sioux Falls (FSD) | Date | Flight | Airline | Departs DEN | Arrives FSD | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Thu, Oct 22 | UA 5975 | United Airlines | 08:05 | 10:50 | 1h 45m | Embraer E170 | | Thu, Oct 22 | UA 4759 | United Airlines | 10:00 | 12:49 | 1h 49m | [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md) | | Thu, Oct 22 | UA 5378 | United Airlines | 13:40 | 16:23 | 1h 43m | Embraer E170 | | Thu, Oct 22 | UA 5229 | United Airlines | 15:35 | 18:15 | 1h 40m | CR5 | | Thu, Oct 22 | UA 645 | United Airlines | 17:40 | 20:20 | 1h 40m | [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md) | | Thu, Oct 22 | UA 5700 | United Airlines | 21:04 | 23:44 | 1h 40m | Embraer E170 | | Fri, Oct 23 | UA 5975 | United Airlines | 08:05 | 10:50 | 1h 45m | Embraer E170 | | Fri, Oct 23 | UA 4759 | United Airlines | 10:00 | 12:49 | 1h 49m | Embraer E175 | | Fri, Oct 23 | UA 5378 | United Airlines | 13:40 | 16:23 | 1h 43m | Embraer E170 | | Fri, Oct 23 | UA 5229 | United Airlines | 15:35 | 18:15 | 1h 40m | CR5 | | Fri, Oct 23 | UA 645 | United Airlines | 17:40 | 20:20 | 1h 40m | Boeing 737-900 | | Fri, Oct 23 | UA 5700 | United Airlines | 21:04 | 23:44 | 1h 40m | Embraer E170 | | Sat, Oct 24 | UA 4759 | United Airlines | 10:00 | 12:49 | 1h 49m | Embraer E175 | | Sat, Oct 24 | UA 5378 | United Airlines | 13:40 | 16:23 | 1h 43m | Embraer E170 | | Sat, Oct 24 | UA 645 | United Airlines | 18:00 | 20:40 | 1h 40m | Boeing 737-900 | | Sat, Oct 24 | UA 5700 | United Airlines | 21:04 | 23:44 | 1h 40m | Embraer E170 | | Sun, Oct 25 | UA 5397 | United Airlines | 07:40 | 10:27 | 1h 47m | Embraer E175 | | Sun, Oct 25 | UA 4759 | United Airlines | 09:50 | 12:39 | 1h 49m | Embraer E175 | | Sun, Oct 25 | UA 645 | United Airlines | 17:40 | 20:20 | 1h 40m | Boeing 737-900 | | Sun, Oct 25 | UA 5700 | United Airlines | 21:04 | 23:44 | 1h 40m | Embraer E170 | | Mon, Oct 26 | UA 5397 | United Airlines | 07:40 | 10:27 | 1h 47m | Embraer E175 | | Mon, Oct 26 | UA 4759 | United Airlines | 09:50 | 12:39 | 1h 49m | Embraer E175 | | Mon, Oct 26 | UA 645 | United Airlines | 17:40 | 20:20 | 1h 40m | Boeing 737-900 | | Mon, Oct 26 | UA 5700 | United Airlines | 21:04 | 23:44 | 1h 40m | Embraer E170 | | Tue, Oct 27 | UA 4759 | United Airlines | 09:50 | 12:39 | 1h 49m | Embraer E175 | | Tue, Oct 27 | UA 645 | United Airlines | 17:40 | 20:20 | 1h 40m | Boeing 737-900 | | Tue, Oct 27 | UA 5700 | United Airlines | 21:04 | 23:44 | 1h 40m | Embraer E170 | | Wed, Oct 28 | UA 4759 | United Airlines | 09:50 | 12:39 | 1h 49m | Embraer E175 | | Wed, Oct 28 | UA 645 | United Airlines | 17:40 | 20:20 | 1h 40m | Boeing 737-900 | | Wed, Oct 28 | UA 5700 | United Airlines | 21:04 | 23:44 | 1h 40m | Embraer E170 | Showing all 30 scheduled DEN to FSD 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 FSD date on the interactive map ## Aircraft on the Denver to Sioux Falls nonstop United Airlines flies the departures in the schedule table on this page with the Embraer E170, the [Embraer E175](https://2lnr.com/seatmaps/ua/e175.md), the [Boeing 737-900](https://2lnr.com/seatmaps/ua/737-900.md), and the Bombardier CRJ. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full DEN to FSD nonstop schedule This page carries the full DEN to FSD 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 FSD nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See DEN to FSD on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Denver to Sioux Falls nonstop Carriers operating DEN to FSD 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) See DEN to FSD on the interactive map → ## Frequently asked questions about DEN to FSD **How long is the flight from Denver (DEN) to Sioux Falls (FSD)?** Scheduled flight times from Denver (DEN) to Sioux Falls (FSD) run from 1h 40m to 1h 49m across the departures in the schedule table on this page. The nonstop covers about 484 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from DEN to FSD?** United Airlines is currently the only airline flying DEN to FSD nonstop. 2LNR doesn't show award or upgrade space for it on DEN to FSD, so this page carries the schedule rather than a space claim. **How many flights a week are there from DEN to FSD?** About 31 nonstop flights a week run between Denver (DEN) and Sioux Falls (FSD) in the current schedule, operated by United Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next. **What time do flights from DEN to FSD depart?** Scheduled DEN to FSD nonstops in the next 7 days with service leave between 07:40 and 21:04, local time at Denver. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate DEN to FSD nonstop?** In the schedule table on this page, DEN to FSD nonstops fly as UA 645, UA 4759, UA 5229, UA 5378, UA 5397, UA 5700, and UA 5975 on United Airlines. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on DEN to FSD?** Not on this route: 2LNR doesn't show award or upgrade space for United Airlines on DEN to FSD. The page carries the full DEN to FSD nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [FSD to DEN nonstop flights](https://2lnr.com/routes/fsd-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 Sioux Falls (FSD)](https://2lnr.com/routes/fsd.md). Nonstops from Denver (DEN) to other airports within 150 miles of Sioux Falls (FSD): - [Denver (DEN) to Sioux City (SUX)](https://2lnr.com/routes/den-sux.md), 83 miles from FSD - [Denver (DEN) to Watertown (ATY)](https://2lnr.com/routes/den-aty.md), 94 miles from FSD - [Denver (DEN) to Fort Dodge (FOD)](https://2lnr.com/routes/den-fod.md), 147 miles from FSD 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 FSD 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)