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

Houston, TX (IAH) to Tulsa, OK (TUL) flight delay odds

80.6% of 1,122 official scheduled IAH-to-TUL flights arrived on time; 13.4% arrived at least 30 minutes late and 0.4% 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 SIGNALLower disruption
80.6%arrived on time
13.4%30+ min late
0.4%cancelled
1,122scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.2%all scheduled flights
120+ minutes late3.1%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+7.5 mincompleted flights

Which departure time was most reliable for IAH to TUL?

Among qualifying IAH-to-TUL departure window results, Early morning had the highest on-time rate: 85.7% of 356 flights. Evening was lowest at 69.7% across 284 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning35685.7%9.3%0.3%
Late morning7784.4%7.8%0.0%
Afternoon37483.7%11.8%0.0%
Evening28469.7%21.1%1.4%

Which weekday was most reliable for IAH to TUL?

Among qualifying IAH-to-TUL weekday results, Wednesday had the highest on-time rate: 86.0% of 171 flights. Saturday was lowest at 75.0% across 132 flights.

DayFlightsOn time30+ minCancelled
Monday16379.1%18.4%0.0%
Tuesday16282.1%11.7%0.0%
Wednesday17186.0%9.4%0.6%
Thursday16583.0%10.3%0.0%
Friday17075.3%16.5%1.2%
Saturday13275.0%18.2%0.8%
Sunday15982.4%10.1%0.6%

Which airline was most reliable for IAH to TUL?

Among qualifying IAH-to-TUL airline results, SkyWest Airlines had the highest on-time rate: 82.9% of 784 flights. United Airlines was lowest at 75.1% across 338 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines78482.9%11.6%0.3%
United Airlines33875.1%17.5%0.9%

Which month was most reliable for IAH to TUL?

Among qualifying IAH-to-TUL month results, February 2026 had the highest on-time rate: 90.1% of 71 flights. July 2025 was lowest at 68.9% across 106 flights.

MonthFlightsOn time30+ minCancelled
July 202510668.9%21.7%0.9%
August 202511478.1%15.8%0.9%
September 202512082.5%12.5%0.8%
October 202513088.5%9.2%0.0%
November 202514376.9%14.0%0.0%
December 20259283.7%13.0%0.0%
January 20266586.2%10.8%3.1%
February 20267190.1%7.0%0.0%
March 20266587.7%9.2%0.0%
April 20266377.8%14.3%0.0%
May 20268279.3%12.2%0.0%
June 20267170.4%18.3%0.0%

What drove IAH to TUL delay minutes?

Late aircraft was the largest recorded IAH-to-TUL delay category, accounting for 46.4% of 15,192 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.0%
Late aircraft46.4%
National airspace11.4%
Weather5.2%
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.