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

Tulsa, OK (TUL) to Chicago, IL (ORD) flight delay odds

Historically, 74.1% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,155 flights.

HISTORICAL ROUTE SIGNALVariable
74.1%arrived on time
16.8%30+ min late
2.5%cancelled
2,155scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.9%all scheduled flights
120+ minutes late5.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+12.2 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 morning58878.6%13.1%1.7%
Late morning49081.6%12.4%0.8%
Afternoon68970.8%20.2%2.3%
Evening38663.5%21.8%6.0%

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
Monday32271.4%18.6%2.5%
Tuesday30477.3%14.5%1.6%
Wednesday28877.8%13.5%1.7%
Thursday31175.6%15.8%2.3%
Friday31575.2%15.9%3.2%
Saturday29971.2%17.4%3.7%
Sunday31670.3%21.2%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
SkyWest Airlines1,05776.9%14.6%1.6%
Envoy Air83673.3%16.9%3.2%
PSA Airlines15354.9%34.6%3.3%
Republic Airways6374.6%11.1%7.9%
United Airlines4684.8%13.0%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202521159.2%27.5%2.8%
August 202517373.4%15.6%1.2%
September 202516281.5%10.5%1.2%
October 202517173.7%18.7%0.0%
November 202519674.5%18.9%4.1%
December 202518969.3%20.1%2.1%
January 202614877.0%13.5%4.1%
February 202614488.9%5.6%0.0%
March 202618473.9%16.8%4.9%
April 202618473.9%16.8%4.3%
May 202619677.0%14.3%0.5%
June 202619773.1%17.3%4.1%

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.

Airline20.9%
Late aircraft40.0%
National airspace26.7%
Weather12.2%
Security0.2%
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.