Crossword puzzle clue "what you might arrive two hrs early for"

What you might arrive two hrs. early for

Baffles (ABOUT THIS PUZZLE: If you saw the headline "Fiend Found!" you might instantly notice that, between the two words, only the vowels change — the consonants stay put. Okay, if you were me, you'

You might rate them on their route and they might rate you on you vomited everywhere

It helps a plane arrive early

It might arrive with a beep

One might arrive with a finger snap

One might arrive with a beep

One or two may arrive on Valentine's Day