BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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FSD→ORD

Sioux Falls, SD (FSD) to Chicago, IL (ORD) flight delay odds

64.7% of 1,831 official scheduled FSD-to-ORD flights arrived on time; 22.0% arrived at least 30 minutes late and 3.6% 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 SIGNALVariable
64.7%arrived on time
22.0%30+ min late
3.6%cancelled
1,831scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late13.8%all scheduled flights
120+ minutes late6.4%all scheduled flights
Diverted0.7%did not reach as scheduled
Average arrival+23.0 mincompleted flights

Which departure time was most reliable for FSD to ORD?

Among qualifying FSD-to-ORD departure window results, Early morning had the highest on-time rate: 77.1% of 738 flights. Evening was lowest at 48.3% across 406 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning73877.1%11.7%3.0%
Late morning16459.1%24.4%3.0%
Afternoon52361.8%28.3%2.1%
Evening40648.3%31.5%6.9%

Which weekday was most reliable for FSD to ORD?

Among qualifying FSD-to-ORD weekday results, Wednesday had the highest on-time rate: 72.4% of 246 flights. Sunday was lowest at 57.7% across 274 flights.

DayFlightsOn time30+ minCancelled
Monday27559.6%26.2%5.1%
Tuesday26567.2%20.0%1.1%
Wednesday24672.4%17.1%1.6%
Thursday26767.0%21.7%3.0%
Friday26562.3%20.8%4.5%
Saturday23968.2%18.4%3.8%
Sunday27457.7%28.5%5.8%

Which airline was most reliable for FSD to ORD?

Among qualifying FSD-to-ORD airline results, United Airlines had the highest on-time rate: 78.5% of 344 flights. SkyWest Airlines was lowest at 56.5% across 1,004 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,00456.5%28.7%3.9%
Envoy Air39373.8%15.3%3.8%
United Airlines34478.5%9.6%2.9%
Republic Airways6061.7%23.3%3.3%
PSA Airlines3070.0%23.3%0.0%

Which month was most reliable for FSD to ORD?

Among qualifying FSD-to-ORD month results, May 2026 had the highest on-time rate: 80.5% of 154 flights. December 2025 was lowest at 43.0% across 186 flights.

MonthFlightsOn time30+ minCancelled
July 202515455.2%27.9%3.9%
August 202515765.0%20.4%3.2%
September 202515672.4%14.7%0.6%
October 202514858.1%31.1%0.7%
November 202515861.4%21.5%9.5%
December 202518643.0%39.2%4.8%
January 202612065.0%25.0%1.7%
February 202613979.9%14.4%0.0%
March 202616168.9%17.4%6.2%
April 202617866.3%15.7%5.1%
May 202615480.5%13.0%1.3%
June 202612066.7%20.8%5.0%

What drove FSD to ORD delay minutes?

Airline was the largest recorded FSD-to-ORD delay category, accounting for 39.2% of 52,339 BTS-attributed delay minutes during July 2025–June 2026.

Airline39.2%
Late aircraft26.5%
National airspace18.7%
Weather15.0%
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.