Generally if you haven't received a rejection email, then you're still in the game. Some programs have a "maybe" pile that they'll invite for an interview in case someone backs out.
Tip: Don't bother emailing chief residents if you haven't received an interview invite. When I was chief I kept getting emails about considering them for an interview. I deleted them right away. 1) It's not in my power and 2) We'll invite you when we'll invite you...or not.