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

Charleston, SC (CHS) to Atlanta, GA (ATL) flight delay odds

88.5% of 3,213 official scheduled CHS-to-ATL flights arrived on time; 6.7% arrived at least 30 minutes late and 1.6% 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
88.5%arrived on time
6.7%30+ min late
1.6%cancelled
3,213scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.2%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival-4.6 mincompleted flights

Which departure time was most reliable for CHS to ATL?

Among qualifying CHS-to-ATL departure window results, Early morning had the highest on-time rate: 93.1% of 1,220 flights. Evening was lowest at 81.6% across 582 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,22093.1%4.0%1.4%
Late morning49091.6%4.5%2.0%
Afternoon92185.1%7.9%1.8%
Evening58281.6%12.0%1.5%

Which weekday was most reliable for CHS to ATL?

Among qualifying CHS-to-ATL weekday results, Wednesday had the highest on-time rate: 94.5% of 436 flights. Sunday was lowest at 82.0% across 477 flights.

DayFlightsOn time30+ minCancelled
Monday48688.7%8.0%1.2%
Tuesday45089.6%6.9%1.1%
Wednesday43694.5%3.0%0.7%
Thursday47790.6%6.5%0.0%
Friday47787.4%7.8%1.7%
Saturday41087.3%4.4%3.7%
Sunday47782.0%9.4%3.4%

Which airline was most reliable for CHS to ATL?

Only Delta Air Lines met the CHS-to-ATL airline threshold: 88.5% of 3,210 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines3,21088.5%6.7%1.7%
SkyWest Airlines366.7%0.0%0.0%

Which month was most reliable for CHS to ATL?

Among qualifying CHS-to-ATL month results, September 2025 had the highest on-time rate: 96.2% of 239 flights. March 2026 was lowest at 81.5% across 286 flights.

MonthFlightsOn time30+ minCancelled
July 202528283.3%10.6%0.0%
August 202525487.0%8.7%2.0%
September 202523996.2%2.1%0.0%
October 202527991.4%4.7%0.4%
November 202526389.7%4.6%2.3%
December 202526388.6%7.6%1.5%
January 202624788.7%4.5%2.4%
February 202623491.0%4.7%2.1%
March 202628681.5%10.1%5.6%
April 202629490.1%6.8%1.0%
May 202629085.9%8.3%1.4%
June 202628290.4%6.0%1.1%

What drove CHS to ATL delay minutes?

Late aircraft was the largest recorded CHS-to-ATL delay category, accounting for 43.8% of 24,047 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.2%
Late aircraft43.8%
National airspace19.2%
Weather3.8%
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.