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

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

68.5% of 1,006 official scheduled MIA-to-CHS flights arrived on time; 19.5% 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 SIGNALVariable
68.5%arrived on time
19.5%30+ min late
1.3%cancelled
1,006scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.4%all scheduled flights
120+ minutes late5.7%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+18.1 mincompleted flights

Which departure time was most reliable for MIA to CHS?

Among qualifying MIA-to-CHS departure window results, Early morning had the highest on-time rate: 85.5% of 311 flights. Night was lowest at 60.3% across 358 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning31185.5%8.0%0.6%
Afternoon4365.1%20.9%9.3%
Evening28860.4%26.7%0.3%
Night35860.3%23.5%1.7%

Which weekday was most reliable for MIA to CHS?

Among qualifying MIA-to-CHS weekday results, Wednesday had the highest on-time rate: 79.0% of 143 flights. Sunday was lowest at 50.7% across 144 flights.

DayFlightsOn time30+ minCancelled
Monday14768.0%15.6%4.8%
Tuesday14278.9%11.3%1.4%
Wednesday14379.0%14.0%0.0%
Thursday14168.1%17.0%0.0%
Friday14366.4%18.9%0.0%
Saturday14668.5%21.2%2.7%
Sunday14450.7%38.2%0.0%

Which airline was most reliable for MIA to CHS?

Among qualifying MIA-to-CHS airline results, Envoy Air had the highest on-time rate: 94.1% of 68 flights. American Airlines was lowest at 66.6% across 923 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines92366.6%20.8%1.2%
Envoy Air6894.1%1.5%0.0%
Republic Airways1566.7%20.0%13.3%

Which month was most reliable for MIA to CHS?

Among qualifying MIA-to-CHS month results, September 2025 had the highest on-time rate: 83.9% of 62 flights. August 2025 was lowest at 60.2% across 93 flights.

MonthFlightsOn time30+ minCancelled
July 20259262.0%23.9%2.2%
August 20259360.2%29.0%0.0%
September 20256283.9%4.8%1.6%
October 20258773.6%14.9%0.0%
November 20258669.8%16.3%1.2%
December 20258670.9%14.0%0.0%
January 20268771.3%16.1%6.9%
February 20268368.7%20.5%0.0%
March 20269368.8%19.4%3.2%
April 20269367.7%22.6%0.0%
May 20268463.1%27.4%0.0%
June 20266066.7%20.0%0.0%

What drove MIA to CHS delay minutes?

Late aircraft was the largest recorded MIA-to-CHS delay category, accounting for 45.8% of 23,409 BTS-attributed delay minutes during July 2025–June 2026.

Airline42.4%
Late aircraft45.8%
National airspace9.4%
Weather2.3%
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.