St. Croix is a quiet island, and its airport reflects that. Henry E. Rohlsen Airport handles a modest number of flights, and by evening the pace slows considerably. If your flight arrives late, here is what you are working with.
Flight schedule reality
Most flights to STX arrive between 10 AM and 6 PM. A few evening connections from Miami, Charlotte, or San Juan land between 7 and 9 PM. True late-night arrivals after 10 PM are uncommon but can happen with delays. The airport is not a 24-hour operation in any practical sense.
Taxi availability in the evening
Taxi drivers know the flight schedule and plan accordingly. For the last scheduled arrivals, there are usually a few taxis waiting. Once those passengers are served, the drivers leave for the night. If your flight is delayed an hour past schedule, the taxi stand may be empty when you walk out.
There is no taxi dispatch phone line that reliably responds after hours. This is a small island with a small taxi fleet, and drivers go home when the flights stop.
No rideshare, no buses
Uber and Lyft do not operate on St. Croix. VITRAN public buses do not serve the airport and do not run late at night. After the taxis leave, your options at the airport are effectively zero unless you have arranged something in advance.
Pre-booked transfer
For any arrival after 6 PM, book a private transfer before you fly. This is not optional advice on St. Croix. It is the difference between having a ride and not having one. Your driver will track your flight, adjust for delays, and be at the airport when you arrive.
Most transfer services do not charge a significant premium for evening pickups. You might see a $3-$5 surcharge over daytime rates. That is a small price for guaranteed transport on a quiet island at night.
The drive after dark
St. Croix roads are not well-lit outside of the two main towns. The drive from the airport to Christiansted passes through areas that are quite dark. A professional driver familiar with the roads makes this a non-issue. If you were considering renting a car and driving yourself at night on your first visit, think twice. Left-side driving on unfamiliar dark roads is not an ideal introduction to the island.
The airport after hours
STX is not a place to hang out at night. Once flights stop, the terminal effectively closes. There are no 24-hour restaurants, no lounges, and limited lighting. If you need to wait, there are benches, but it is not comfortable and not well-staffed.
Hotel check-in
Before you fly, confirm your accommodation's late check-in procedure. Some smaller properties and villas on St. Croix have lockbox or keypad entry. Larger resorts have 24-hour front desks. Sort this out ahead of time so you are not making calls from a dark parking lot.
Summary
St. Croix is wonderful, but its transport infrastructure shuts down early. If your flight arrives in the evening, pre-book a transfer. It is the single most important logistical step for a smooth arrival. Everything else on the island can be figured out the next morning.