The supersonic plane can fly to New York from London in under four hours.

Developers Boeing and the U.S. Navy say they successfully completed the first two-hour test flight of an operational model.

This supersonic plane could reach New York City from London in about three hours.

The supersonic plane could potentially fly non‑stop from London to New York in approximately three hours and 44 minutes.

Scientists say older travelers should be spread out onboard for everyone's safety.