Transfer from OKEx to Kucoin is pending

I innitiate to transfer STX from OKEx to Kucoin. Transfer time at 02.47 AM (GMT+7) and till now status still pending on OKEx, thats mean about 20 hour.
Please help

Hi there, you may want to catch up on an earlier thread on the matter here Mempool congestion on Stacks: observations and next steps from Hiro

The current implementation of stacks-blockchain discards pending mempool transactions after 256 blocks or roughly ~2 days.