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

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

Historically, 64.7% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,831 flights.

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

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 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%

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
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%

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 Airlines1,00456.5%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%

Monthly trend

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

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 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.

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.