Flights San Juan → St. Croix Island
SJU → STX
Route overview
The flight route from San Juan to St. Croix Island operates with a mix of aircraft including the Embraer 190, Saab SF340A/B, and De Havilland Canada DHC-6 Twin Otter, serving an airport that sees approximately 451,766 passengers annually. With a 77% on-time performance rate and an average delay of 8.7 minutes, the route maintains relatively high punctuality despite operating only 89 flights in total.
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. Croix Island (STX) route is operated by JetBlue Airways. Across 89 flights monitored in recent months, 77% arrived on time (within 15 min of schedule), with an average delay of 9 minutes. The cancellation rate is 1.12%. FlightGuard's average computed risk is 9.8/100 (low), updated in real time from weather, ATC delays, strikes, NOTAMs, fuel and flight history. Departing from San Juan the average ATFM delay is 2.0 minutes.
Heading to St. Croix Island: what to expect in this direction
Flying from San Juan (SJU) to St. Croix Island (STX) heads south-east for about 151 km, a flight time of roughly 37m.
Departures from San Juan on this leg cluster in the morning window: about 100% of SJU-STX flights take off then.
Air-traffic congestion: departing San Juan the average ATFM delay is 2.0 min (atfm).
Across 89 tracked SJU-STX flights, 77% left on time with an average delay of 9 min and a 1.1% 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-STX
Airports
Frequently asked questions about SJU-STX
On the San Juan (SJU) -> St. Croix Island (STX) route, on-time performance is 77% with an average delay of 9 minutes, based on 89 tracked flights.
The cancellation rate on San Juan-St. Croix Island is 1.12% across 89 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. Croix Island, 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.
