My wife and I are arriving at ATL on BA227 at 20:15 EDT next month and, being unfamiliar with the passenger side of the airport, we were wondering how long it normally takes to clear Immigration, Customs, collect bags and change terminals etc.

We are debating whether to try and catch an onward flight that evening or whether we should spend a night at an airport hotel and travel the next day.

What would those who are familiar with Atlanta airport advise should be the realistic minimum connection time between arriving at the International terminal and catching a Delta flight from the domestic terminal?

Thanks in advance, Bellerophon.