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

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

82.3% of 1,827 official scheduled STL-to-CLT flights arrived on time; 11.4% arrived at least 30 minutes late and 1.3% 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
82.3%arrived on time
11.4%30+ min late
1.3%cancelled
1,827scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.9%all scheduled flights
120+ minutes late3.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+5.2 mincompleted flights

Which departure time was most reliable for STL to CLT?

Among qualifying STL-to-CLT departure window results, Early morning had the highest on-time rate: 87.6% of 614 flights. Afternoon was lowest at 74.8% across 630 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning61487.6%8.5%1.8%
Late morning35986.9%7.8%1.4%
Afternoon63074.8%16.0%1.1%
Evening22481.2%12.5%0.4%

Which weekday was most reliable for STL to CLT?

Among qualifying STL-to-CLT weekday results, Tuesday had the highest on-time rate: 85.9% of 256 flights. Monday was lowest at 76.3% across 270 flights.

DayFlightsOn time30+ minCancelled
Monday27076.3%17.4%1.1%
Tuesday25685.9%11.3%1.2%
Wednesday25185.3%9.2%0.4%
Thursday27384.6%9.5%0.0%
Friday26483.7%10.2%0.8%
Saturday23280.6%11.6%2.2%
Sunday28179.7%10.7%3.6%

Which airline was most reliable for STL to CLT?

Among qualifying STL-to-CLT airline results, American Airlines had the highest on-time rate: 83.4% of 1,490 flights. Southwest Airlines was lowest at 76.0% across 262 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines1,49083.4%11.5%1.2%
Southwest Airlines26276.0%11.8%0.4%
PSA Airlines7581.3%8.0%6.7%

Which month was most reliable for STL to CLT?

Among qualifying STL-to-CLT month results, April 2026 had the highest on-time rate: 91.9% of 123 flights. July 2025 was lowest at 74.1% across 170 flights.

MonthFlightsOn time30+ minCancelled
July 202517074.1%17.6%0.0%
August 202516282.7%10.5%0.6%
September 202515588.4%7.7%0.6%
October 202516284.0%9.3%0.6%
November 202516280.9%13.0%0.6%
December 202516678.3%15.7%0.0%
January 202615581.9%9.0%8.4%
February 202613685.3%6.6%2.9%
March 202612882.8%14.1%1.6%
April 202612391.9%5.7%0.0%
May 202613986.3%10.1%0.0%
June 202616975.1%15.4%0.6%

What drove STL to CLT delay minutes?

Airline was the largest recorded STL-to-CLT delay category, accounting for 46.4% of 29,851 BTS-attributed delay minutes during July 2025–June 2026.

Airline46.4%
Late aircraft42.1%
National airspace5.5%
Weather6.0%
Security0.1%
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.