Originally Posted by KevinWI

My wife and I are both fat and so we used points to book a third seat in between us on DAL. We booked via phone and the ticket was booked as EXST and the woman on the phone seemed very familiar with the process.

Does anybody have any experience doing this? We've found some horror stories online, gate agents challenging you or god forbid EXST getting bumped for someone else. We unseunders we have to get EXST's boarding pass scanned and explain the situation to the gate agent before we board but are otherwise in the dark.