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Route Reliability

Atlanta → Charleston

ATL–CHS · 259 miles · Hartsfield–Jackson Atlanta International Airport to Charleston International Airport

83
Pretty Reliable
WanderNerd Reliability Score
83%
Arrive within 15 minutes
5 min
Average arrival delay
1.8%
Cancelled
3,304
Flights in the data

Data through May 2026.

Delta Air Lines is the only airline in this data on this route, arriving on time 83% of the time across 3,304 flights. No comparison to make.

What the data says

Morning flights do better here.

ATL–CHS flights departing between 9 AM–12 PM arrived on time 93% of the time, versus 77% between 6–9 PM.

Sunday scaries are real for this one.

ATL–CHS flights arrived on time 87% of the time on Wednesdays. On Sundays: 79%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon84%(495 flights)
  • Tue85%(451 flights)
  • Wed87%(448 flights)
  • Thu85%(483 flights)
  • Fri81%(475 flights)
  • Sat82%(391 flights)
  • Sun79%(496 flights)
On-time by departure window
  • 6–9 AM91%(466 flights)
  • 9 AM–12 PM93%(400 flights)
  • 12–3 PM85%(674 flights)
  • 3–6 PM80%(565 flights)
  • 6–9 PM77%(611 flights)
  • 9 PM–12 AM78%(523 flights)
On-time trend by month
83%
May

Jun 71% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%291
July 202573%310
August 202585%257
September 202594%239
October 202587%279
November 202590%258
December 202580%266
January 202684%240
February 202685%232
March 202682%269
April 202690%292
May 202683%306

Keep nerding

Based on 3,304 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.