http://36rdmeywj5gol3e7b7qs3euqylul3tgwzm3gip57bbuac2qafdux6mid.onion/bitcoin-recovery/index.html
In best case scenario, it takes less than a day (for recent transactions, with just a few confirmations), while in the worst case, it may get delayed for up to fifteen days (in the case of old transactions, with many confirmations and with the balance already spent).