Which of the following best describes a 'Non-Stop Flight'?

A 'Non-Stop Flight' is best described as a flight that goes directly from the starting location to the destination without making any stops along the way. This means that passengers board the aircraft at their departure airport and arrive at their intended destination without disembarking at any intermediate airport. Non-stop flights are often preferred by travelers due to the convenience and time efficiency, as they eliminate the need for layovers or connections that can add to travel time and complexity.

The other options refer to different flight types that do not embody the definition of a non-stop flight. For example, a flight that makes a stop for refueling would involve a halt, and connecting through another airport inherently includes a stop, which is contrary to the concept of non-stop travel. A flight operating within a single airspace does not accurately reflect the journey between two distinct locations, which is a defining characteristic of a non-stop flight.