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

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

74.1% of 2,155 official scheduled TUL-to-ORD flights arrived on time; 16.8% arrived at least 30 minutes late and 2.5% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

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

Which departure time was most reliable for TUL to ORD?

Among qualifying TUL-to-ORD departure window results, Late morning had the highest on-time rate: 81.6% of 490 flights. Evening was lowest at 63.5% across 386 flights.

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%

Which weekday was most reliable for TUL to ORD?

Among qualifying TUL-to-ORD weekday results, Wednesday had the highest on-time rate: 77.8% of 288 flights. Sunday was lowest at 70.3% across 316 flights.

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%

Which airline was most reliable for TUL to ORD?

Among qualifying TUL-to-ORD airline results, United Airlines had the highest on-time rate: 84.8% of 46 flights. PSA Airlines was lowest at 54.9% across 153 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%

Which month was most reliable for TUL to ORD?

Among qualifying TUL-to-ORD month results, February 2026 had the highest on-time rate: 88.9% of 144 flights. July 2025 was lowest at 59.2% across 211 flights.

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 TUL to ORD delay minutes?

Late aircraft was the largest recorded TUL-to-ORD delay category, accounting for 40.0% of 45,449 BTS-attributed delay minutes during July 2025–June 2026.

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.