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

Atlanta, GA (ATL) to Key West, FL (EYW) flight delay odds

80.6% of 1,457 official scheduled ATL-to-EYW flights arrived on time; 11.7% 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 SIGNALLower disruption
80.6%arrived on time
11.7%30+ min late
1.3%cancelled
1,457scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.6%all scheduled flights
120+ minutes late1.8%all scheduled flights
Diverted0.9%did not reach as scheduled
Average arrival+4.6 mincompleted flights

Which departure time was most reliable for ATL to EYW?

Among qualifying ATL-to-EYW departure window results, Early morning had the highest on-time rate: 89.1% of 110 flights. Evening was lowest at 75.5% across 364 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning11089.1%8.2%1.8%
Late morning58084.5%8.8%1.2%
Afternoon40377.4%13.4%1.2%
Evening36475.5%15.7%1.4%

Which weekday was most reliable for ATL to EYW?

Among qualifying ATL-to-EYW weekday results, Wednesday had the highest on-time rate: 90.3% of 206 flights. Sunday was lowest at 71.8% across 209 flights.

DayFlightsOn time30+ minCancelled
Monday20874.5%13.9%4.3%
Tuesday21282.5%11.3%0.0%
Wednesday20690.3%3.9%0.0%
Thursday20588.3%8.3%0.5%
Friday20678.2%13.1%0.5%
Saturday21179.1%13.3%1.4%
Sunday20971.8%18.2%2.4%

Which airline was most reliable for ATL to EYW?

Only Delta Air Lines met the ATL-to-EYW airline threshold: 80.6% of 1,457 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,45780.6%11.7%1.3%

Which month was most reliable for ATL to EYW?

Among qualifying ATL-to-EYW month results, September 2025 had the highest on-time rate: 94.2% of 120 flights. July 2025 was lowest at 67.5% across 123 flights.

MonthFlightsOn time30+ minCancelled
July 202512367.5%21.1%0.0%
August 202512479.8%14.5%0.0%
September 202512094.2%4.2%0.0%
October 202512388.6%8.1%0.0%
November 202511973.1%16.8%2.5%
December 202512169.4%19.0%0.8%
January 202612369.9%17.9%3.3%
February 202611276.8%8.9%0.0%
March 202612485.5%8.1%3.2%
April 202612089.2%7.5%0.0%
May 202612785.0%11.0%1.6%
June 202612188.4%3.3%4.1%

What drove ATL to EYW delay minutes?

Airline was the largest recorded ATL-to-EYW delay category, accounting for 48.1% of 17,596 BTS-attributed delay minutes during July 2025–June 2026.

Airline48.1%
Late aircraft15.0%
National airspace18.1%
Weather18.8%
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.