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

Jacksonville, FL (JAX) to Chicago, IL (ORD) flight delay odds

Historically, 75.5% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,062 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
75.5%arrived on time
15.2%30+ min late
1.9%cancelled
2,062scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.9%all scheduled flights
120+ minutes late4.5%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+12.0 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 morning69286.4%7.2%1.9%
Late morning40980.2%10.3%1.2%
Afternoon63067.6%21.4%1.0%
Evening32962.0%25.8%4.9%

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
Monday31570.8%18.7%2.5%
Tuesday27879.9%11.9%1.8%
Wednesday27375.5%13.6%1.5%
Thursday30978.6%11.0%2.3%
Friday30575.4%15.1%2.0%
Saturday26880.2%13.8%0.7%
Sunday31469.4%21.3%2.5%

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
United Airlines89377.0%13.9%0.7%
American Airlines46575.3%15.3%2.8%
Republic Airways31775.1%15.5%4.7%
Envoy Air23674.6%18.6%0.4%
SkyWest Airlines15069.3%16.7%3.3%
PSA Airlines1100.0%0.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202515466.2%19.5%3.2%
August 202515571.0%16.1%2.6%
September 202514682.2%8.9%0.0%
October 202517382.1%10.4%0.0%
November 202516775.4%16.2%3.0%
December 202516672.3%19.9%0.6%
January 202616066.9%24.4%0.0%
February 202615079.3%11.3%0.7%
March 202619974.4%14.6%4.5%
April 202617981.6%10.1%2.2%
May 202621082.4%13.8%0.5%
June 202620370.9%17.2%4.9%

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.

Airline31.0%
Late aircraft33.5%
National airspace31.3%
Weather4.2%
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.