Girl hasn't let me know about what she is doing should I calm her advice needed?

I've been seeing a girl for nearly 3 months now and on tuesday I was supposed of being seeing her but she worked the night shift and i texted her should I pop down on Wednesday she text back "I will let ya know about Wednesday cause I might need an early night cause of a shift Thursday" so today's Wednesday and I've got no text off her I was thinking of giving it another hour before I called her and I was thinking of just saying to her "hey just wondering if it was still ok to come down yours if your not busy and cook us dinner if ya want" would that be ok to say If she answered or should I just wAit