I am probably going to get nailed for this but its the truth, BTC transaction sucks🤦♀️ its slow as a snail, I am trying go send some bitcoin to exchange using my trust wallet and it's just there over 5 minutes, imagine been in haste in a store nearby trying to pay with BTC using your wallet and this happens, you are forced to wait around till the transaction go through, not a good feeling at all.
To troubleshoot your bitcoin transaction, you should look bitcoin explorer first.
If the transaction has been confirmed on explorer, then it should be the exchange side which have problem.
Usually the transaction on bitcoin network need 10 minutes to be confirmed because bitcoin block time is 10 minutes.