Agree with others--while having 3 early WLs means you're still live for sure, it's impossible to know for sure your chances. You could probably look at the relevant schools' prior year school-specific threads to get a general idea of how much WL movement there is and when you might expect it, but you won't know the denominator of all students on the WL.
But bottom line, you need to try and improve your app. You got 3 interviews, and they were relatively early, but you weren't able to translate them into an A yet. Did you get any sense of how you performed at the interview stage? Would be important to reflect on this both in case you have subsequent interview (so you can do better) or if there was a specific deficiency that was highlighted by your interviewers (that you can try to shore these up in case you need to reapply).