ATL → MIA: cancellations & delays
Over Jan 2023 - Apr 2026, 1.2% of Hartsfield Jackson Atlanta International Airport (ATL) to Miami International Airport (MIA) flights were cancelled and 29.2% arrived at least 15 minutes late, across 21,923 flights, flown by DL, AA, F9, WN, NK, MQ. Cancellations peak in June.
Check today's live ATL departures →Airport pages: Hartsfield Jackson Atlanta International Airport (ATL) · Miami International Airport (MIA)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.