How reliable is Henry E Rohlsen Airport?
Flights from STX departed within 15 minutes of schedule in 77% of 7,667 flights in official BTS history — and weather is calmest in Mar. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at STX looks like
On-time departures
across 7,667 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at St. Croix Island
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 99/100 favorability
Roughest month
Most disruptive — low visibility & fog, thunderstorms · 97/100 favorability
The read on STX
What the numbers say about flying through Henry E Rohlsen Airport
Across official performance history, flights from St. Croix Island left within 15 minutes of schedule about 77% of the time over 7,667 flights. That's a respectable but unspectacular operational record. Pair it with a moderate cancellation rate of 1.3%. When a departure does run late, the typical delay is around 16 minutes.
On weather, St. Croix Island is an unusually calm-weather airport year-round. March is the calmest stretch for flying, scoring 99 out of 100 for favorable conditions, while November is the most disruptive at 97, driven mainly by low visibility & fog and thunderstorms. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to St. Croix Island, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about STX
- How reliable is Henry E Rohlsen Airport (STX)?
- Flights from St. Croix Island left within 15 minutes of schedule roughly 77% of the time across 7,667 flights of official history — a respectable but unspectacular operational record. The cancellation rate runs about 1.3%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from STX for good weather?
- March has the calmest flying weather at Henry E Rohlsen Airport. November is the most disruptive, mainly from low visibility & fog and thunderstorms.
Planning a trip through St. Croix Island?
Score real flights to and from STX on reliability, weather, and connection safety — not just price.