"An air-line railroad was a railroad that was relatively straight, following a shorter (and thus, presumably quicker) route instead of a longer, winding route. In their heyday, which was prior to aviation, they were often referred to simply as 'air lines'."
What makes an Airline an Airline ? Is it just a name or does it mean something?
"An air-line railroad was a railroad that was relatively straight, following a shorter (and thus, presumably quicker) route instead of a longer, winding route. In their heyday, which was prior to aviation, they were often referred to simply as 'air lines'."