Convenient, but the wait often sucks
What can I say? It's a Whataburger. It's spectacular among fast food joints and one of the reasons why states that are not Texas are full of fail. It's always open.
But for the love of all things green, gold and inebriated, bring a book, an iPod or something if you attempt to use the drive-thru here after last call. Your butt will inevitably go numb before you can even pull up to pay.