Flights San Juan → Miami
SJU → MIA
Route overview
The flight route from San Juan to Miami operates with a high frequency of 723 total flights, using Boeing 737-800 and Boeing 757 aircraft. With an on-time performance rate of 76%, the average delay is approximately 17.4 minutes, serving one of the busiest airports in terms of annual passenger traffic with over 50 million passengers.
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 San Juan (SJU) → Miami (MIA) route is operated by American Airlines. Across 945 flights monitored in recent months, 75% arrived on time (within 15 min of schedule), with an average delay of 18 minutes. The cancellation rate is 0.42%. FlightGuard's average computed risk is 27.2/100 (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 San Juan the average ATFM delay is 2.0 minutes.
Heading to Miami: what to expect in this direction
Flying from San Juan (SJU) to Miami (MIA) heads north-west for about 1,682 km, a flight time of roughly 2h 31m.
Departures from San Juan on this leg cluster in the morning window: about 46% of SJU-MIA flights take off then.
Air-traffic congestion: departing San Juan the average ATFM delay is 2.0 min (atfm); arriving into Miami it is 2.0 min (atfm).
Across 945 tracked SJU-MIA flights, 75% left on time with an average delay of 18 min and a 0.4% 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 SJU-MIA
Airports
Frequently asked questions about SJU-MIA
On the San Juan (SJU) -> Miami (MIA) route, on-time performance is 75% with an average delay of 18 minutes, based on 945 tracked flights.
The cancellation rate on San Juan-Miami is 0.42% across 945 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.