深しん夜や便びんMeaningsNoun1. overnight transportation (train service, flight, etc.); late-night departure; red-eye flightKanji used深deep夜night便convenienceComposed of深しん夜やlate at nightNoun便びんflight (e.g. airline flight); trip (e.g. train trip); sailing (e.g. ferry voyage); service; mail; post; letter; opportunity; chanceNoun