Once your withdrawal request is approved, it takes between 10 minutes to 1 hour for the transaction to be confirmed on the Bitcoin network. However, this may be affected by network congestion. High traffic on the Bitcoin blockchain may result in slower confirmation times.
Lightning Network withdrawals are typically processed almost instantly, usually within a few seconds to a minute after approval. This is because the Lightning Network is designed for fast, low-cost Bitcoin transactions by operating off-chain.
You can find the information on the service fees here.