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

Chicago, IL (ORD) to Sioux City, IA (SUX) flight delay odds

55.9% of 365 official scheduled ORD-to-SUX flights arrived on time; 24.9% arrived at least 30 minutes late and 4.9% 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 SIGNALHigher disruption
55.9%arrived on time
24.9%30+ min late
4.9%cancelled
365scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late15.9%all scheduled flights
120+ minutes late7.7%all scheduled flights
Diverted1.9%did not reach as scheduled
Average arrival+39.7 mincompleted flights

Which departure time was most reliable for ORD to SUX?

Among qualifying ORD-to-SUX departure window results, Night had the highest on-time rate: 69.1% of 136 flights. Evening was lowest at 38.8% across 49 flights.

Departure windowFlightsOn time30+ minCancelled
Afternoon17950.8%30.7%3.9%
Evening4938.8%32.7%8.2%
Night13669.1%14.0%5.1%

Which weekday was most reliable for ORD to SUX?

Among qualifying ORD-to-SUX weekday results, Thursday had the highest on-time rate: 67.3% of 52 flights. Saturday was lowest at 50.0% across 52 flights.

DayFlightsOn time30+ minCancelled
Monday5261.5%25.0%7.7%
Tuesday5354.7%30.2%0.0%
Wednesday5251.9%26.9%1.9%
Thursday5267.3%21.2%3.8%
Friday5253.8%25.0%11.5%
Saturday5250.0%21.2%3.8%
Sunday5251.9%25.0%5.8%

Which airline was most reliable for ORD to SUX?

Only SkyWest Airlines met the ORD-to-SUX airline threshold: 55.9% of 365 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines36555.9%24.9%4.9%

Which month was most reliable for ORD to SUX?

Among qualifying ORD-to-SUX month results, September 2025 had the highest on-time rate: 86.7% of 30 flights. April 2026 was lowest at 33.3% across 30 flights.

MonthFlightsOn time30+ minCancelled
July 20253141.9%32.3%6.5%
August 20253154.8%22.6%6.5%
September 20253086.7%3.3%0.0%
October 20253167.7%12.9%0.0%
November 20253060.0%20.0%13.3%
December 20253151.6%25.8%9.7%
January 20263161.3%25.8%3.2%
February 20262857.1%21.4%0.0%
March 20263151.6%32.3%9.7%
April 20263033.3%46.7%3.3%
May 20263148.4%29.0%0.0%
June 20263056.7%26.7%6.7%

What drove ORD to SUX delay minutes?

Airline was the largest recorded ORD-to-SUX delay category, accounting for 52.6% of 14,731 BTS-attributed delay minutes during July 2025–June 2026.

Airline52.6%
Late aircraft24.2%
National airspace18.1%
Weather5.0%
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.