I did one today, status shows complete and i also received an email. But i still see usdt in my pionex wallet.
TRC20 USDT Withdrawal usually takes time less than 5 minutes. Every withdrawal processing time is depend on the blockchain confirmation. If the network is smooth , the confirmation will be faster , thus the deposit/withdrawal will be credited faster. But if the network is busy, the confirmation might take a longer time, leads to the withdrawal/deposit credited longer.