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

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

Historically, 60.9% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,829 flights.

HISTORICAL ROUTE SIGNALVariable
60.9%arrived on time
26.0%30+ min late
3.5%cancelled
1,829scheduled 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 late6.3%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+26.3 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning16168.9%20.5%2.5%
Late morning38467.7%22.7%1.8%
Afternoon49861.8%26.1%3.0%
Evening54854.6%30.5%3.8%
Night23857.1%24.4%7.1%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday27556.0%29.8%3.6%
Tuesday26566.4%23.0%0.8%
Wednesday24663.8%24.0%2.4%
Thursday26659.8%25.9%3.0%
Friday26460.2%26.1%4.9%
Saturday24067.5%18.8%4.6%
Sunday27353.8%33.0%5.1%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,00559.7%28.9%3.7%
Envoy Air39069.7%15.1%3.8%
United Airlines34453.2%30.5%2.9%
Republic Airways6061.7%25.0%3.3%
PSA Airlines3073.3%20.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202515451.9%31.8%4.5%
August 202515763.7%24.8%3.8%
September 202515668.6%19.9%1.3%
October 202514854.1%33.8%0.7%
November 202515860.1%22.2%8.9%
December 202518643.5%43.5%4.3%
January 202612055.8%33.3%1.7%
February 202613770.8%16.8%0.0%
March 202616164.6%21.1%6.2%
April 202617867.4%16.3%3.4%
May 202615475.3%15.6%1.9%
June 202612055.8%33.3%4.2%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline43.0%
Late aircraft27.2%
National airspace12.7%
Weather17.1%
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.