Flights Atlanta → Miami
ATL → MIA
How long is the flight from Atlanta to Miami?
The flight from Atlanta (ATL) to Miami (MIA) takes 1h 17m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
Route overview
The flight route from Atlanta to Miami operates with a mix of aircraft including the Boeing 737-800, Airbus A320, and Embraer RJ140 among others. With 75% of flights arriving on time, the route experiences an average delay of 18.8 minutes per flight, based on a total of 1635 flights recorded. Miami International Airport, the destination for this route, serves over 50 million passengers annually.
Your rights on this US flight (DOT)
US flights have no statutory cash compensation for delays. Under the US DOT rules, if your flight is cancelled or significantly changed and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Amenities for controllable delays depend on each airline's contract of carriage.
US flight refund rules & checker →General information, not legal advice.
The Atlanta (ATL) → Miami (MIA) route is operated by American Airlines, Air France, Alaska Airlines, ITA Airways, British Airways, Delta Air Lines, Iberia Airlines, KLM Royal Dutch Airlines. Across 3989 flights monitored in recent months, 73% arrived on time (within 15 min of schedule), with an average delay of 20 minutes. The cancellation rate is 1.40%. FlightGuard's average computed risk is 22.5/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Miami the average ATFM delay is 5.5 minutes (main cause: atfm). Departing from Atlanta the average ATFM delay is 5.5 minutes.
Heading to Miami: what to expect in this direction
Flying from Atlanta (ATL) to Miami (MIA) heads south-east for about 959 km, a flight time of roughly 1h 17m.
Departures from Atlanta on this leg cluster in the morning window: about 35% of ATL-MIA flights take off then.
Air-traffic congestion: departing Atlanta the average ATFM delay is 5.5 min (atfm); arriving into Miami it is 5.5 min (atfm).
Across 3,989 tracked ATL-MIA flights, 73% left on time with an average delay of 20 min and a 1.4% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| Iberia Airlines (IB) | 87% | 20 min | 1.2% |
| Delta Air Lines (DL) | 85% | 1 min | 0.8% |
| Alaska Airlines (AS) | 85% | -1 min | 0.5% |
| Air France (AF) | 82% | 28 min | 0.0% |
| KLM Royal Dutch Airlines (KL) | 82% | 19 min | 5.9% |
| American Airlines (AA) | 79% | 6 min | 1.1% |
| British Airways (BA) | 66% | 31 min | 1.3% |
| ITA Airways (AZ) | 45% | 39 min | 0.6% |
Airlines operating ATL-MIA
Airports
Frequently asked questions about ATL-MIA
The flight from Atlanta (ATL) to Miami (MIA) takes 1h 17m on average. That is the median time recorded across 2 scheduled flights on this leg; the actual time varies by a few minutes with wind, routing and take-off queues.
On the Atlanta (ATL) -> Miami (MIA) route, on-time performance is 73% with an average delay of 20 minutes, based on 3989 tracked flights.
The cancellation rate on Atlanta-Miami is 1.40% across 3989 monitored flights.
The route is operated by 8 airlines: American Airlines, Air France, Alaska Airlines, ITA Airways, British Airways, Delta Air Lines, Iberia Airlines, KLM Royal Dutch Airlines.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at Miami, ATC delays, strikes, NOTAMs, fuel, airline punctuality and recent trends.
US flights have no statutory cash compensation for delays. Under US DOT rules, if the airline cancels or significantly changes your flight and you decline rebooking, you're owed an automatic refund of the unused ticket. The tarmac-delay limit is 3 hours (domestic) / 4 hours (international). Meals or hotels for controllable delays depend on each airline's contract of carriage.
