Flights Boston → Miami
BOS → MIA
Route overview
The flight route from Boston to Miami operates with a high frequency of 969 flights, using Boeing 757 and Boeing 737-800 aircraft. With an on-time performance rate of 78%, the average delay is approximately 14.9 minutes, connecting one of the busiest airports in the world, which sees 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 Boston (BOS) → Miami (MIA) route is operated by American Airlines. Across 1322 flights monitored in recent months, 78% arrived on time (within 15 min of schedule), with an average delay of 15 minutes. The cancellation rate is 2.42%. FlightGuard's average computed risk is 29.2/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Miami the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Boston the average ATFM delay is 2.0 minutes.
Heading to Miami: what to expect in this direction
Flying from Boston (BOS) to Miami (MIA) heads south-west for about 2,028 km, a flight time of roughly 2h 57m.
Departures from Boston on this leg cluster in the overnight window: about 40% of BOS-MIA flights take off then.
Air-traffic congestion: departing Boston the average ATFM delay is 2.0 min (atfm); arriving into Miami it is 2.0 min (atfm).
Across 1,322 tracked BOS-MIA flights, 78% left on time with an average delay of 15 min and a 2.4% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| American Airlines (AA) | 74% | 16 min | 3.0% |
Airlines operating BOS-MIA
Airports
Frequently asked questions about BOS-MIA
On the Boston (BOS) -> Miami (MIA) route, on-time performance is 78% with an average delay of 15 minutes, based on 1322 tracked flights.
The cancellation rate on Boston-Miami is 2.42% across 1322 monitored flights.
The route is operated by 1 airline: American 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.
