Flights Miami → Boston
MIA → BOS
Route overview
The flight route from Miami to Boston operates with a high frequency of 970 total flights, featuring aircraft such as the Boeing 757 and Boeing 737-800. With an on-time performance rate of 74%, these flights experience an average delay of 17.1 minutes, serving one of the busiest destination airports in terms of annual passenger traffic at 36,090,716 passengers per year.
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 Miami (MIA) → Boston (BOS) route is operated by American Airlines. Across 1322 flights monitored in recent months, 72% arrived on time (within 15 min of schedule), with an average delay of 20 minutes. The cancellation rate is 2.65%. FlightGuard's average computed risk is 31.4/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At Boston the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Miami the average ATFM delay is 2.0 minutes.
Heading to Boston: what to expect in this direction
Flying from Miami (MIA) to Boston (BOS) heads north for about 2,028 km, a flight time of roughly 2h 57m.
Departures from Miami on this leg cluster in the midday window: about 40% of MIA-BOS flights take off then.
Air-traffic congestion: departing Miami the average ATFM delay is 2.0 min (atfm); arriving into Boston it is 2.0 min (atfm).
Across 1,322 tracked MIA-BOS flights, 72% left on time with an average delay of 20 min and a 2.6% 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 MIA-BOS
Airports
Frequently asked questions about MIA-BOS
On the Miami (MIA) -> Boston (BOS) route, on-time performance is 72% with an average delay of 20 minutes, based on 1322 tracked flights.
The cancellation rate on Miami-Boston is 2.65% 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 Boston, 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.
