[forgotmyinfo]

That's because lots of banking is still fairly manual, and clearing takes 2-3 days in the United States. FedNow should help, but ACH still reigns, and transactions still take time. Ask Congress and the banks why things are still so slow.

[lenerdenator]

Wasn't Check21 supposed to alleviate some of that?

Or, at least, that was "the new thing" when I worked as a bank teller for a summer job 15 years ago. I vaguely remember it being promised as a way to make transactions faster.