Hi, I facing the same problem.... at first I did a withdraw from Binance to Bittrex to check if everything was ok. 3 minutes later I received the small amount.
Directly after that i Send 25K from binance to Bittrex, status: Completed. But I never received it.... I Really dont get it, and im not getting any help atm from Bittrex or Binance. This doesn't feel right stellar.... please help me.