This confusion reminds me of a scene from the 2002 film of Dave Barry's "Big Trouble".

(Driving to an airport) "Okay, we gotta pick a road. Arrivals or departures? We're arriving, but then we're departing."

https://en.wikiquote.org/wiki/Big_Trouble

https://www.youtube.com/watch?v=EjHHzZAUxbM&t=300