any advice?

i haven’t been in a relationship in about 2 years, and i’m 17. i recently started talking to someone else about a week ago, and i thought things were going good. he was showing me that he wanted me for who i was. he would always want to facetime me and just talk or just “enjoy my presence” as he said. we are supposed to see each other today, but he hasn’t texted in about over 24 hours. i’m not sure what i did. we were having a good conversation and he just hung up. i don’t know if it’s because his phone is disconnected (he said it will be) but (maybe a little weird of me) he was active on his snapchat map 💀 i know i shouldn’t be looking at that but i don’t want this to turn bad and lose something that could be great. i’m not sure what to do or say