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

Denver, CO (DEN) to Sioux City, IA (SUX) flight delay odds

81.8% of 500 official scheduled DEN-to-SUX flights arrived on time; 11.0% arrived at least 30 minutes late and 1.6% 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
81.8%arrived on time
11.0%30+ min late
1.6%cancelled
500scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.2%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+2.0 mincompleted flights

Which departure time was most reliable for DEN to SUX?

Among qualifying DEN-to-SUX departure window results, Early morning had the highest on-time rate: 89.8% of 176 flights. Afternoon was lowest at 75.4% across 187 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning17689.8%5.7%1.7%
Afternoon18775.4%15.0%1.6%
Night12580.8%12.0%1.6%

Which weekday was most reliable for DEN to SUX?

Among qualifying DEN-to-SUX weekday results, Wednesday had the highest on-time rate: 88.9% of 63 flights. Monday was lowest at 74.0% across 77 flights.

DayFlightsOn time30+ minCancelled
Monday7774.0%20.8%0.0%
Tuesday6686.4%7.6%0.0%
Wednesday6388.9%6.3%1.6%
Thursday7685.5%6.6%2.6%
Friday7775.3%13.0%2.6%
Saturday6485.9%6.2%3.1%
Sunday7779.2%14.3%1.3%

Which airline was most reliable for DEN to SUX?

Only SkyWest Airlines met the DEN-to-SUX airline threshold: 81.8% of 500 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines50081.8%11.0%1.6%

Which month was most reliable for DEN to SUX?

Among qualifying DEN-to-SUX month results, September 2025 had the highest on-time rate: 93.3% of 30 flights. December 2025 was lowest at 58.1% across 31 flights.

MonthFlightsOn time30+ minCancelled
July 20253158.1%25.8%3.2%
August 20253164.5%29.0%3.2%
September 20253093.3%3.3%0.0%
October 20253190.3%6.5%0.0%
November 20252989.7%6.9%0.0%
December 20253158.1%16.1%3.2%
January 20265789.5%7.0%1.8%
February 20265589.1%7.3%0.0%
March 20266285.5%8.1%3.2%
April 20264789.4%8.5%0.0%
May 20264979.6%10.2%4.1%
June 20264778.7%12.8%0.0%

What drove DEN to SUX delay minutes?

Late aircraft was the largest recorded DEN-to-SUX delay category, accounting for 40.3% of 6,138 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.4%
Late aircraft40.3%
National airspace17.5%
Weather8.3%
Security0.6%
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.