Dilemma

I’m 36 weeks pregnant I am already dilating and having contractions occasionally. Today I have been having them off and on all day- never consistent or close together but they hurt pretty bad. My SO leaves on a 24 hour trip tomorrow morning and he’s been looking forward to this trip for a few months. He got travel insurance just incase anything happened with the baby. I’m assuming this is just prodromal labor but he keeps asking what’s wrong and I’m scared to tell him. I don’t want him to cancel his trip for no reason... is that wrong??