FSD to DEN flight delays & on-time performance
Nonstop flights from Sioux Falls Regional Airport to Denver International Airport · 483 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at FSD or DEN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Sioux Falls (FSD) to Denver (DEN) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.3% were cancelled, and 8% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (83% on time); Frontier Airlines was the least (72%).
- Departures scheduled around 1pm did best (92% on time); around 6pm did worst (53%).
- Tuesday was the most reliable day to fly (84% on time) and Saturday the least (77%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (34%).
Which airline is most on time from FSD to DEN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 83% | 1.3% | 18 min | 7.9% | 1,304 |
| United Airlines | 74% | 1.9% | 17 min | 6.7% | 366 |
| Frontier Airlines | 72% | 0.0% | 30 min | 14.0% | 150 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am93%45 flights
- 6am91%316 flights
- 8am70%55 flights
- 9am75%310 flights
- 11am91%158 flights
- 1pm92%294 flights
- 2pm84%112 flights
- 4pm77%61 flights
- 5pm67%310 flights
- 6pm53%64 flights
- 7pm50%24 flights
- 8pm73%48 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%1.4% cancelled
- Tuesday84%0.4% cancelled
- Wednesday78%1.5% cancelled
- Thursday80%1.5% cancelled
- Friday80%0.3% cancelled
- Saturday77%1.9% cancelled
- Sunday83%2.3% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion29%
- Late-arriving aircraft23%
- Extreme weather13%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather71%
- Airline (crew, maintenance, cleaning, fueling)21%
- Air traffic control & airport congestion8%
- Security0%
FSD to DEN: common questions
- How often are FSD to DEN flights on time?
- 80% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Sioux Falls to Denver cancelled?
- 1.3% of scheduled flights were cancelled (24 of 1,820).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 91 min behind schedule on average, and 8.1% of flights were an hour or more late.
- How long is taxi time at FSD?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DEN to FSD — 82% on time
More flights from Sioux Falls
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: FSD → DEN, nonstop flights by US airlines that report to the DOT. How we calculate this.