Even they tend to narrow the pending period fully aware that it can send their customers to other operators.
Typically, these are the days between and including Monday to Friday and do not include public holidays and weekends.
.
Or, if you add a tip at a restaurant, the pending transaction will usually show the pre-tip total, while the transaction that posts will reflect the full charge.
What they offer is so-called manual flushing which refers to avoiding the pending period by contacting the casino directly.
The bank knows about it, but the funds have not yet been moved.