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

St. Louis, MO (STL) to Cleveland, OH (CLE) flight delay odds

81.9% of 701 official scheduled STL-to-CLE flights arrived on time; 9.6% arrived at least 30 minutes late and 0.3% 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
81.9%arrived on time
9.6%30+ min late
0.3%cancelled
701scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.0%all scheduled flights
120+ minutes late1.6%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+5.5 mincompleted flights

Which departure time was most reliable for STL to CLE?

Among qualifying STL-to-CLE departure window results, Late morning had the highest on-time rate: 93.9% of 98 flights. Evening was lowest at 71.5% across 323 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning21191.5%2.8%0.9%
Late morning9893.9%4.1%0.0%
Afternoon6984.1%10.1%0.0%
Evening32371.5%15.5%0.0%

Which weekday was most reliable for STL to CLE?

Among qualifying STL-to-CLE weekday results, Tuesday had the highest on-time rate: 90.6% of 106 flights. Sunday was lowest at 76.5% across 102 flights.

DayFlightsOn time30+ minCancelled
Monday11279.5%13.4%0.9%
Tuesday10690.6%1.9%0.0%
Wednesday10486.5%4.8%0.0%
Thursday10979.8%11.9%0.0%
Friday11180.2%8.1%0.0%
Saturday5778.9%14.0%0.0%
Sunday10276.5%14.7%1.0%

Which airline was most reliable for STL to CLE?

Only Southwest Airlines met the STL-to-CLE airline threshold: 81.9% of 701 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines70181.9%9.6%0.3%

Which month was most reliable for STL to CLE?

Among qualifying STL-to-CLE month results, February 2026 had the highest on-time rate: 90.4% of 52 flights. May 2026 was lowest at 67.9% across 56 flights.

MonthFlightsOn time30+ minCancelled
July 20256175.4%11.5%0.0%
August 20256886.8%8.8%0.0%
September 20256989.9%5.8%0.0%
October 20255879.3%8.6%0.0%
November 20255487.0%7.4%0.0%
December 20255787.7%10.5%0.0%
January 20265685.7%1.8%1.8%
February 20265290.4%1.9%1.9%
March 20265879.3%15.5%0.0%
April 20265676.8%14.3%0.0%
May 20265667.9%16.1%0.0%
June 20265675.0%12.5%0.0%

What drove STL to CLE delay minutes?

Late aircraft was the largest recorded STL-to-CLE delay category, accounting for 72.1% of 6,763 BTS-attributed delay minutes during July 2025–June 2026.

Airline23.6%
Late aircraft72.1%
National airspace2.8%
Weather0.7%
Security0.7%
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.