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

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

83.5% of 701 official scheduled CLE-to-STL flights arrived on time; 10.0% arrived at least 30 minutes late and 0.1% 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
83.5%arrived on time
10.0%30+ min late
0.1%cancelled
701scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.1%all scheduled flights
120+ minutes late2.0%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival-0.3 mincompleted flights

Which departure time was most reliable for CLE to STL?

Among qualifying CLE-to-STL departure window results, Early morning had the highest on-time rate: 92.4% of 327 flights. Evening was lowest at 74.6% across 295 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning32792.4%5.5%0.0%
Afternoon4783.0%10.6%0.0%
Evening29574.6%14.6%0.3%

Which weekday was most reliable for CLE to STL?

Among qualifying CLE-to-STL weekday results, Wednesday had the highest on-time rate: 91.3% of 104 flights. Sunday was lowest at 75.5% across 102 flights.

DayFlightsOn time30+ minCancelled
Monday11281.2%8.9%0.0%
Tuesday10687.7%7.5%0.0%
Wednesday10491.3%5.8%0.0%
Thursday10981.7%15.6%0.0%
Friday11183.8%10.8%0.0%
Saturday5782.5%10.5%0.0%
Sunday10275.5%10.8%1.0%

Which airline was most reliable for CLE to STL?

Only Southwest Airlines met the CLE-to-STL airline threshold: 83.5% of 701 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines70183.5%10.0%0.1%

Which month was most reliable for CLE to STL?

Among qualifying CLE-to-STL month results, October 2025 had the highest on-time rate: 94.8% of 58 flights. May 2026 was lowest at 75.0% across 56 flights.

MonthFlightsOn time30+ minCancelled
July 20256180.3%13.1%0.0%
August 20256885.3%8.8%1.5%
September 20256987.0%8.7%0.0%
October 20255894.8%1.7%0.0%
November 20255485.2%9.3%0.0%
December 20255777.2%15.8%0.0%
January 20265687.5%7.1%0.0%
February 20265286.5%7.7%0.0%
March 20265875.9%15.5%0.0%
April 20265687.5%3.6%0.0%
May 20265675.0%10.7%0.0%
June 20265678.6%17.9%0.0%

What drove CLE to STL delay minutes?

Late aircraft was the largest recorded CLE-to-STL delay category, accounting for 47.9% of 6,610 BTS-attributed delay minutes during July 2025–June 2026.

Airline37.2%
Late aircraft47.9%
National airspace9.1%
Weather5.8%
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.