Should i go 2 bed or wait some more? he said he wld call by 12am and now its 12.10am?

its my ex and he cald b4 he got on d plane, said he'l cal when he lands. idk im kinda scared smthn might have happened and i dnt wana cal cos he doesnt like clingy girls. sld i go 2 bed or wait some more. tks