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WanderNerd

Route Reliability

Atlanta → Fort Myers

ATLRSW · 515 miles · Hartsfield–Jackson Atlanta International Airport to Southwest Florida International Airport

77
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
10 min
Average arrival delay
1.6%
Cancelled
2,867
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines77%2,758 flights
  2. 2.Frontier Airlines58%109 flights

What the data says

Morning flights do better here.

ATL–RSW flights departing between 6–9 AM arrived on time 90% of the time, versus 67% between 6–9 PM.

Sunday scaries are real for this one.

ATL–RSW flights arrived on time 86% of the time on Wednesdays and just 68% on Sundays. That gap is worth planning around.

Delta Air Lines has a clear lead on this route.

Delta Air Lines arrived on time 77% of the time on this route; Frontier Airlines managed 58%.

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
  • Mon74%(419 flights)
  • Tue81%(370 flights)
  • Wed86%(374 flights)
  • Thu81%(428 flights)
  • Fri73%(416 flights)
  • Sat73%(375 flights)
  • Sun68%(430 flights)
On-time by departure window
  • 6–9 AM90%(357 flights)
  • 9 AM–12 PM78%(443 flights)
  • 12–3 PM83%(547 flights)
  • 3–6 PM70%(565 flights)
  • 6–9 PM67%(446 flights)
  • 9 PM–12 AM75%(454 flights)
On-time trend by month
75%
May

Jun 68% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%229
July 202568%240
August 202576%220
September 202588%200
October 202583%208
November 202582%225
December 202573%241
January 202678%253
February 202679%247
March 202671%272
April 202681%245
May 202675%232

Based on 2,867 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.