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

Atlanta, GA (ATL) to Fort Lauderdale, FL (FLL) flight delay odds

69.0% of 7,189 official scheduled ATL-to-FLL flights arrived on time; 19.0% arrived at least 30 minutes late and 2.1% 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
69.0%arrived on time
19.0%30+ min late
2.1%cancelled
7,189scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.6%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+14.3 mincompleted flights

Which departure time was most reliable for ATL to FLL?

Among qualifying ATL-to-FLL departure window results, Early morning had the highest on-time rate: 80.5% of 1,464 flights. Evening was lowest at 60.1% across 1,331 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning1,46480.5%10.0%3.2%
Late morning1,36472.7%15.0%2.2%
Afternoon2,03666.5%20.2%1.4%
Evening1,33160.1%27.0%2.1%
Night99464.2%24.2%2.1%

Which weekday was most reliable for ATL to FLL?

Among qualifying ATL-to-FLL weekday results, Wednesday had the highest on-time rate: 78.8% of 971 flights. Sunday was lowest at 57.3% across 1,059 flights.

DayFlightsOn time30+ minCancelled
Monday1,06765.9%19.5%3.2%
Tuesday1,00476.7%14.7%1.4%
Wednesday97178.8%12.7%0.7%
Thursday1,04370.7%17.8%0.7%
Friday1,06068.3%19.7%1.7%
Saturday98566.5%22.0%2.2%
Sunday1,05957.3%25.9%4.9%

Which airline was most reliable for ATL to FLL?

Among qualifying ATL-to-FLL airline results, Delta Air Lines had the highest on-time rate: 72.2% of 4,272 flights. Frontier Airlines was lowest at 62.5% across 928 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines4,27272.2%16.3%1.6%
Spirit Airlines1,34163.5%22.9%3.7%
Frontier Airlines92862.5%25.8%2.4%
JetBlue Airways64768.5%18.9%2.5%
Southwest Airlines1100.0%0.0%0.0%

Which month was most reliable for ATL to FLL?

Among qualifying ATL-to-FLL month results, September 2025 had the highest on-time rate: 84.5% of 453 flights. March 2026 was lowest at 53.1% across 781 flights.

MonthFlightsOn time30+ minCancelled
July 202552659.1%27.2%1.5%
August 202549571.1%20.0%0.2%
September 202545384.5%8.4%0.0%
October 202548778.6%13.6%0.2%
November 202560874.7%15.0%2.3%
December 202568763.5%23.6%2.3%
January 202667664.2%18.6%4.0%
February 202666067.0%19.4%2.3%
March 202678153.1%29.4%5.9%
April 202671373.4%16.3%1.0%
May 202656373.0%16.9%1.8%
June 202654077.2%13.1%1.7%

What drove ATL to FLL delay minutes?

Airline was the largest recorded ATL-to-FLL delay category, accounting for 36.7% of 132,404 BTS-attributed delay minutes during July 2025–June 2026.

Airline36.7%
Late aircraft34.1%
National airspace24.8%
Weather4.1%
Security0.4%
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.