BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
FSD→DEN

Sioux Falls, SD (FSD) to Denver, CO (DEN) flight delay odds

77.1% of 1,832 official scheduled FSD-to-DEN flights arrived on time; 15.3% arrived at least 30 minutes late and 1.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
77.1%arrived on time
15.3%30+ min late
1.4%cancelled
1,832scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.2%all scheduled flights
120+ minutes late4.5%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+9.0 mincompleted flights

Which departure time was most reliable for FSD to DEN?

Among qualifying FSD-to-DEN departure window results, Early morning had the highest on-time rate: 86.1% of 417 flights. Evening was lowest at 59.9% across 446 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning41786.1%8.2%1.9%
Late morning47176.2%13.4%1.1%
Afternoon49885.9%10.6%0.6%
Evening44659.9%29.1%2.0%

Which weekday was most reliable for FSD to DEN?

Among qualifying FSD-to-DEN weekday results, Tuesday had the highest on-time rate: 81.1% of 238 flights. Saturday was lowest at 74.8% across 214 flights.

DayFlightsOn time30+ minCancelled
Monday29175.9%16.8%1.4%
Tuesday23881.1%13.0%0.4%
Wednesday26378.7%13.7%0.8%
Thursday26676.3%16.5%1.5%
Friday29175.9%16.5%1.0%
Saturday21474.8%14.0%1.9%
Sunday26977.3%15.6%2.6%

Which airline was most reliable for FSD to DEN?

Among qualifying FSD-to-DEN airline results, SkyWest Airlines had the highest on-time rate: 80.4% of 1,308 flights. United Airlines was lowest at 68.6% across 366 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,30880.4%13.6%1.5%
United Airlines36668.6%18.0%1.6%
Frontier Airlines15870.3%22.8%0.0%

Which month was most reliable for FSD to DEN?

Among qualifying FSD-to-DEN month results, February 2026 had the highest on-time rate: 90.1% of 121 flights. July 2025 was lowest at 62.4% across 197 flights.

MonthFlightsOn time30+ minCancelled
July 202519762.4%26.9%2.0%
August 202518568.6%20.5%1.1%
September 202515980.5%12.6%0.6%
October 202516184.5%7.5%0.0%
November 202513181.7%13.0%2.3%
December 202513262.9%28.8%3.8%
January 202613086.2%9.2%0.8%
February 202612190.1%6.6%0.8%
March 202613475.4%15.7%5.2%
April 202613382.7%9.0%0.8%
May 202616979.3%13.6%0.0%
June 202618079.4%14.4%0.0%

What drove FSD to DEN delay minutes?

Airline was the largest recorded FSD-to-DEN delay category, accounting for 34.9% of 35,744 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.9%
Late aircraft21.9%
National airspace30.2%
Weather12.9%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.