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

Charlotte, NC (CLT) to St. Louis, MO (STL) flight delay odds

77.3% of 1,826 official scheduled CLT-to-STL flights arrived on time; 14.4% arrived at least 30 minutes late and 1.5% 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 SIGNALGenerally reliable
77.3%arrived on time
14.4%30+ min late
1.5%cancelled
1,826scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.2%all scheduled flights
120+ minutes late3.4%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+7.9 mincompleted flights

Which departure time was most reliable for CLT to STL?

Among qualifying CLT-to-STL departure window results, Early morning had the highest on-time rate: 85.9% of 382 flights. Evening was lowest at 70.9% across 447 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning38285.9%8.4%1.6%
Late morning16878.6%11.9%0.0%
Afternoon58477.2%14.0%1.2%
Evening44770.9%20.1%1.8%
Night24574.7%15.9%2.4%

Which weekday was most reliable for CLT to STL?

Among qualifying CLT-to-STL weekday results, Wednesday had the highest on-time rate: 84.1% of 252 flights. Monday was lowest at 68.0% across 269 flights.

DayFlightsOn time30+ minCancelled
Monday26968.0%21.2%1.9%
Tuesday25783.3%11.7%0.8%
Wednesday25284.1%11.5%0.4%
Thursday27076.7%16.3%0.7%
Friday26577.0%14.0%0.4%
Saturday23276.3%14.2%3.0%
Sunday28176.2%11.7%3.2%

Which airline was most reliable for CLT to STL?

Among qualifying CLT-to-STL airline results, Southwest Airlines had the highest on-time rate: 81.4% of 264 flights. American Airlines was lowest at 76.3% across 1,487 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines1,48776.3%15.5%1.3%
Southwest Airlines26481.4%11.0%1.1%
PSA Airlines7581.3%5.3%6.7%

Which month was most reliable for CLT to STL?

Among qualifying CLT-to-STL month results, November 2025 had the highest on-time rate: 85.8% of 162 flights. July 2025 was lowest at 62.6% across 171 flights.

MonthFlightsOn time30+ minCancelled
July 202517162.6%23.4%0.6%
August 202516370.6%22.7%0.6%
September 202515485.7%9.7%0.6%
October 202516181.4%12.4%0.6%
November 202516285.8%9.3%0.6%
December 202516674.7%17.5%0.0%
January 202615576.8%9.0%10.3%
February 202613579.3%11.9%2.2%
March 202612872.7%17.2%1.6%
April 202612380.5%12.2%0.0%
May 202613981.3%11.5%0.0%
June 202616978.1%14.2%0.6%

What drove CLT to STL delay minutes?

Late aircraft was the largest recorded CLT-to-STL delay category, accounting for 51.7% of 26,702 BTS-attributed delay minutes during July 2025–June 2026.

Airline34.4%
Late aircraft51.7%
National airspace7.5%
Weather6.4%
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.