Flights Miami → San Juan
MIA → SJU
Route overview
The flight route from Miami to San Juan operates with a high frequency of 720 flights annually, using Boeing 737-800 and Boeing 757 aircraft. With an on-time performance rate of 73%, the average delay for these flights is approximately 19.3 minutes, serving one of the busiest airports in terms of passenger traffic with over 10 million 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) → San Juan (SJU) route is operated by American Airlines. Across 941 flights monitored in recent months, 72% arrived on time (within 15 min of schedule), with an average delay of 19 minutes. The cancellation rate is 0.64%. FlightGuard's average computed risk is 28.1/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At San Juan the average ATFM delay is 2.0 minutes (main cause: atfm). Departing from Miami the average ATFM delay is 2.0 minutes.
Heading to San Juan: what to expect in this direction
Flying from Miami (MIA) to San Juan (SJU) heads south-east for about 1,682 km, a flight time of roughly 2h 31m.
Departures from Miami on this leg cluster in the morning window: about 36% of MIA-SJU flights take off then.
Air-traffic congestion: departing Miami the average ATFM delay is 2.0 min (atfm); arriving into San Juan it is 2.0 min (atfm).
Across 941 tracked MIA-SJU flights, 72% left on time with an average delay of 19 min and a 0.6% 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-SJU
Airports
Frequently asked questions about MIA-SJU
On the Miami (MIA) -> San Juan (SJU) route, on-time performance is 72% with an average delay of 19 minutes, based on 941 tracked flights.
The cancellation rate on Miami-San Juan is 0.64% across 941 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 San Juan, 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.
