Flights San Juan → St. Thomas
SJU → STT
Route overview
The flight route from San Juan to St. Thomas operates with a mix of aircraft including the Embraer 190, De Havilland Canada DHC-6 Twin Otter, and Saab SF340A/B, serving an airport that sees approximately 1,458,764 passengers annually. With seventy-four percent of flights arriving on time, the route experiences a mean delay of 13.5 minutes per flight across its total of eighty-nine scheduled flights.
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) → St. Thomas (STT) route is operated by JetBlue Airways. Across 136 flights monitored in recent months, 77% arrived on time (within 15 min of schedule), with an average delay of 10 minutes. The cancellation rate is 0.00%. FlightGuard's average computed risk is 17/100 (medium), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. At St. Thomas 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 St. Thomas: what to expect in this direction
Flying from San Juan (SJU) to St. Thomas (STT) heads east for about 109 km, a flight time of roughly 33m.
Departures from San Juan on this leg cluster in the morning window: about 98% of SJU-STT flights take off then.
Air-traffic congestion: departing San Juan the average ATFM delay is 2.0 min (atfm); arriving into St. Thomas it is 2.0 min (atfm).
Across 136 tracked SJU-STT flights, 77% left on time with an average delay of 10 min and a 0.0% cancellation rate.
Route facts
Flights on this route
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Airline punctuality on this route
| Airline | On-time | Average delay | Cancellations |
|---|---|---|---|
| JetBlue Airways (B6) | 72% | 14 min | 1.7% |
Airlines operating SJU-STT
Airports
Frequently asked questions about SJU-STT
On the San Juan (SJU) -> St. Thomas (STT) route, on-time performance is 77% with an average delay of 10 minutes, based on 136 tracked flights.
The cancellation rate on San Juan-St. Thomas is 0.00% across 136 monitored flights.
The route is operated by 1 airline: JetBlue Airways.
Enter your flight number on FlightGuard for a real-time analysis based on 9 factors: weather at St. Thomas, 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.
