The record-setting Sikorsky X2 helicopter is joining many fellow Floridians and retiring after just 23 flights.

The super-chopper’s final flight came Thursday at the company’s test facility in West Palm Beach, Florida. After all those test flights without an audience, the Sikorsky team finally showed off for potential customers. The helo has topped 290 mph, and test pilot Kevin Bredenbeck, who made every flight of the X2, suggested it still has a lot left in it.

“Today’s last flight of the X2, with so much more we know that can be achieved in speed and performance, signifies what an empowered te...