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

Kalispell, MT (FCA) to Chicago, IL (ORD) flight delay odds

Historically, 64.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 585 flights.

HISTORICAL ROUTE SIGNALVariable
64.6%arrived on time
21.0%30+ min late
0.7%cancelled
585scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.6%all scheduled flights
120+ minutes late6.3%all scheduled flights
Diverted1.2%did not reach as scheduled
Average arrival+25.0 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 morning9170.3%11.0%2.2%
Afternoon49263.6%22.8%0.4%

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
Monday8759.8%27.6%1.1%
Tuesday7580.0%5.3%1.3%
Wednesday7062.9%24.3%0.0%
Thursday8971.9%16.9%0.0%
Friday8560.0%21.2%1.2%
Saturday9070.0%20.0%0.0%
Sunday8949.4%30.3%1.1%

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
American Airlines24552.2%33.5%0.4%
United Airlines17774.6%11.9%0.0%
SkyWest Airlines13672.1%13.2%2.2%
Envoy Air2774.1%7.4%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202512351.2%31.7%1.6%
August 202511560.0%25.2%0.9%
September 20259672.9%11.5%0.0%
October 20255879.3%8.6%0.0%
November 20251100.0%0.0%0.0%
December 20251560.0%33.3%0.0%
January 2026977.8%11.1%0.0%
February 20261485.7%7.1%0.0%
March 20262272.7%22.7%4.5%
April 2026450.0%25.0%0.0%
May 20263375.8%15.2%0.0%
June 20269561.1%22.1%0.0%

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.

Airline32.1%
Late aircraft31.9%
National airspace24.4%
Weather11.7%
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.