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

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

Historically, 71.1% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,154 flights.

HISTORICAL ROUTE SIGNALVariable
71.1%arrived on time
17.4%30+ min late
2.6%cancelled
2,154scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.6%all scheduled flights
120+ minutes late4.0%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+11.5 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 morning39476.4%14.2%0.3%
Late morning30173.4%16.3%2.7%
Afternoon83473.4%15.1%2.2%
Evening31362.6%23.3%4.5%
Night31264.7%22.8%4.5%

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
Monday32169.5%18.7%3.1%
Tuesday30674.8%13.7%1.6%
Wednesday28673.1%20.3%0.7%
Thursday31374.1%15.3%2.2%
Friday31168.2%17.0%3.9%
Saturday30272.2%16.2%3.6%
Sunday31566.3%20.6%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 Airlines1,05772.3%17.0%1.4%
Envoy Air83871.2%16.9%3.2%
PSA Airlines15364.1%22.9%4.6%
Republic Airways6379.4%7.9%9.5%
United Airlines4353.5%30.2%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202521158.8%26.1%2.8%
August 202517278.5%10.5%1.7%
September 202516285.2%9.3%1.2%
October 202517474.7%14.9%0.0%
November 202519571.3%14.4%5.1%
December 202518962.4%27.5%1.1%
January 202614768.7%15.6%6.1%
February 202614576.6%15.2%0.0%
March 202618269.8%19.2%5.5%
April 202618369.4%18.0%4.4%
May 202619774.1%14.2%0.5%
June 202619769.0%20.3%2.0%

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.

Airline29.9%
Late aircraft40.4%
National airspace17.6%
Weather12.0%
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.