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

Charleston, SC (CHS) to Miami, FL (MIA) flight delay odds

78.0% of 1,007 official scheduled CHS-to-MIA flights arrived on time; 13.7% 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 SIGNALGenerally reliable
78.0%arrived on time
13.7%30+ min late
1.3%cancelled
1,007scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.1%all scheduled flights
120+ minutes late4.5%all scheduled flights
Diverted0.5%did not reach as scheduled
Average arrival+12.4 mincompleted flights

Which departure time was most reliable for CHS to MIA?

Among qualifying CHS-to-MIA departure window results, Early morning had the highest on-time rate: 87.4% of 365 flights. Evening was lowest at 63.4% across 325 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning36587.4%6.0%1.4%
Late morning31182.0%10.6%0.6%
Evening32563.4%25.2%1.8%

Which weekday was most reliable for CHS to MIA?

Among qualifying CHS-to-MIA weekday results, Wednesday had the highest on-time rate: 84.7% of 144 flights. Sunday was lowest at 68.8% across 144 flights.

DayFlightsOn time30+ minCancelled
Monday14778.9%12.9%2.7%
Tuesday14283.8%7.7%2.8%
Wednesday14484.7%8.3%0.7%
Thursday14179.4%11.3%0.0%
Friday14377.6%16.1%0.0%
Saturday14672.6%17.8%2.1%
Sunday14468.8%21.5%0.7%

Which airline was most reliable for CHS to MIA?

Among qualifying CHS-to-MIA airline results, Envoy Air had the highest on-time rate: 88.2% of 68 flights. American Airlines was lowest at 77.4% across 924 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines92477.4%14.3%1.2%
Envoy Air6888.2%5.9%0.0%
Republic Airways1566.7%13.3%13.3%

Which month was most reliable for CHS to MIA?

Among qualifying CHS-to-MIA month results, February 2026 had the highest on-time rate: 84.3% of 83 flights. July 2025 was lowest at 69.6% across 92 flights.

MonthFlightsOn time30+ minCancelled
July 20259269.6%20.7%2.2%
August 20259373.1%19.4%0.0%
September 20256279.0%8.1%1.6%
October 20258781.6%12.6%0.0%
November 20258683.7%10.5%1.2%
December 20258681.4%10.5%0.0%
January 20268775.9%13.8%5.7%
February 20268384.3%12.0%1.2%
March 20269380.6%12.9%3.2%
April 20269375.3%11.8%0.0%
May 20268571.8%17.6%0.0%
June 20266081.7%11.7%0.0%

What drove CHS to MIA delay minutes?

Late aircraft was the largest recorded CHS-to-MIA delay category, accounting for 59.3% of 20,119 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.8%
Late aircraft59.3%
National airspace11.1%
Weather0.8%
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.