You might be right, or might not be. I just don't think that is the main issue here. The main thing is your mental peace is at stake, thread carefully. Peace of mind is one of my standards when it comes to women and especially if it's a woman I want to commit to. Can she offer me peace of mind? The answer has to ALWAYS be a sounding yes, no two ways about it.
To your question and the main point of your post, obviously, it bothers you. So do communicate that to her. Just do it in a well-composed manner. Control your emotions and don't sound jealous or possessive as it translates to insecure.
I have to be honest with you man... 4 months in and it's not been much peace of mind, has been some ups and downs.
This is why I intend to pull back. And asses how I want to handle her.
As for my conversation with her.
I simply told her this.
"It's quite important me, that you got home ok and safe. You should be letting me know this, just as standard practice, especially when it's late at night"
I didn't shout or get emotional, simply said it as matter of fact.... I also didn't question her about last night, what she did, where she went as that would come across as jealous.
She basically told me herself that she got home early and didn't text me, as she thought I would be going to sleep. I actually don't buy that as an excuse.
So I suppose she will either take on board what I have said, or she will act up even further.
I know for a fact that I need to pull back a little and maybe even flip the script on her, give her a taste of her own medicine