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

St. Louis, MO (STL) to Tulsa, OK (TUL) flight delay odds

80.4% of 460 official scheduled STL-to-TUL flights arrived on time; 13.5% arrived at least 30 minutes late and 0.9% 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
80.4%arrived on time
13.5%30+ min late
0.9%cancelled
460scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.7%all scheduled flights
120+ minutes late1.7%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+5.0 mincompleted flights

Which departure time was most reliable for STL to TUL?

Among qualifying STL-to-TUL departure window results, Late morning had the highest on-time rate: 93.9% of 214 flights. Night was lowest at 61.5% across 135 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning21493.9%2.3%0.9%
Evening8177.8%17.3%1.2%
Night13561.5%28.1%0.0%

Which weekday was most reliable for STL to TUL?

Among qualifying STL-to-TUL weekday results, Tuesday had the highest on-time rate: 87.5% of 72 flights. Sunday was lowest at 71.0% across 69 flights.

DayFlightsOn time30+ minCancelled
Monday7082.9%10.0%1.4%
Tuesday7287.5%8.3%0.0%
Wednesday7281.9%13.9%0.0%
Thursday6984.1%11.6%0.0%
Friday6877.9%11.8%1.5%
Saturday4075.0%20.0%2.5%
Sunday6971.0%21.7%1.4%

Which airline was most reliable for STL to TUL?

Only Southwest Airlines met the STL-to-TUL airline threshold: 80.4% of 460 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines46080.4%13.5%0.9%

Which month was most reliable for STL to TUL?

Among qualifying STL-to-TUL month results, September 2025 had the highest on-time rate: 89.3% of 56 flights. July 2025 was lowest at 73.7% across 57 flights.

MonthFlightsOn time30+ minCancelled
July 20255773.7%21.1%0.0%
August 20255683.9%16.1%0.0%
September 20255689.3%5.4%0.0%
October 20255778.9%14.0%0.0%
November 20255676.8%16.1%1.8%
December 20256075.0%15.0%0.0%
January 20265877.6%12.1%5.2%
February 20265288.5%7.7%0.0%

What drove STL to TUL delay minutes?

Late aircraft was the largest recorded STL-to-TUL delay category, accounting for 77.2% of 5,251 BTS-attributed delay minutes during July 2025–June 2026.

Airline17.2%
Late aircraft77.2%
National airspace4.5%
Weather1.1%
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.