Frontier AirlinesF9
Flights F92108 17:18 Mo Fr
live
Direct flights from Denver (DEN) to Sioux Falls (FSD): 16 nonstop departures observed each week across 3 airlines. 93% of the last 14 operated flights arrived within 15 minutes of schedule. The median arrival is 12 minutes early. No cancellations were recorded across the 14 tracked flights. The nonstop covers 777 km, an estimated 1 hour 30 minutes in the air. Measured by Pro Flight Search from live flight boards at Denver and Sioux Falls. Updated 10 September 2026 at 22:36 UTC.
DEN
Denver
smooth · +6
FSD
Sioux Falls
smooth · +11
777 km · ~1h 30m est.
Runs reliable · 3 airlines · 16x weekly · nonstop
93% on time
of the last 14 operated DEN → FSD flights arrived within 15 minutes
Median arrival delay is −12 min. 0 of 14 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−12 minacross the last 14 operated legs
Flight time~1h 30mestimated from route distance
Weekly departures16x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 14
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Frontier AirlinesSkyWest AirlinesUnited Airlines
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomes09-09UA5700departed−5
09-08UA5700departed−12
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at FSD: 47% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Denver to Sioux Falls route actually runs
Pro Flight Search records official board updates for nonstop DEN to FSD flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Denver (DEN) to Sioux Falls (FSD) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/DEN-FSD
DEN to FSD questions
Is DEN–FSD running on time right now?
Smooth skies ahead. The arrival side at FSD is the weaker end, route health score 87/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on DEN–FSD?
Operators schedule morning departures around 08:00 and evening departures around 17:18 from DEN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the FSD delay card to confirm conditions when you'd arrive.
How long is the flight from DEN to FSD?
Great-circle distance is 777 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 85–97 min gate-to-gate on this route.
How often does DEN–FSD fly?
3 carriers operate this route, around 41 flights a week between them. Compare carrier days and times in the airline list above.
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