American AirlinesAA44% on time
live
Direct flights from Sioux City (SUX) to Denver (DEN): 7 nonstop departures observed each week across 1 airline. 45% of the last 11 operated flights arrived within 15 minutes of schedule. The median arrival is 17 minutes late. 1 of the 11 tracked flights was cancelled. The nonstop covers 749 km, an estimated 1 hour 28 minutes in the air. Measured by Pro Flight Search from live flight boards at Sioux City and Denver. Updated 21 August 2026 at 00:46 UTC.
SUX
Sioux City
tracking
DEN
Denver
smooth · +0
749 km · ~1h 28m est.
Runs rough · 1 airline · 7x weekly · nonstop
45% on time
of the last 11 operated SUX → DEN flights arrived within 15 minutes
Median arrival delay is +17 min. 1 of 11 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Search live fares for this route →Median arrival+17 minacross the last 11 operated legs
Flight time~1h 28mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled9.1%recent route rate · 1 of 11
Current nonstop fares
SUX → DEN · one way · economy · 1 adult
TodayChecking…Direct airline fares
TomorrowChecking…Direct airline fares
In one weekChecking…Direct airline fares
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
American 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 outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the Sioux City to Denver route actually runs
Pro Flight Search tracks every published board update for nonstop SUX to DEN flights: 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. Fares link straight to the operating airline with no markups.
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 — Sioux City (SUX) to Denver (DEN) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SUX-DEN
SUX to DEN questions
Is SUX–DEN running on time right now?
Smooth skies ahead. Both endpoints currently score the same, route health score 100/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SUX–DEN?
Operators schedule morning departures around 11:30 and evening departures around 18:43 from SUX. Earlier flights typically land before destination-airport delays accumulate later in the day; check the DEN delay card to confirm conditions when you'd arrive.
How long is the flight from SUX to DEN?
Great-circle distance is 749 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 83–94 min gate-to-gate on this route.
How often does SUX–DEN fly?
American Airlines runs the route with about 10 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
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