Yes, I'm in agreement that she doesn't care if Ryan waits, but it wound up being 24 hours which is a red flag that she went off the grid of 24hrs. I can't reconcile that she'd leave a gap like that on purpose.
The only way I can reconcile it is if she did plan to go to Travis, kill him that night, and just be like 5 to 10 hours late to Ryan, but not 24--over 24, really because she called him 24 hours after to Pasadena, but still didn't get to him till the morning of June 5th. Am I not making sense?
Maybe she didn't care if Ryan waited, but with all the great care she was making to formulate an alibi, seems like she'd know the police would question this gap.