eventually, but not any time soon, there is much more flying out of Seattle to support that than dtw
When the 220-300 really gets up and rolling I might expect dtw to open around then, right now I think they do dtw,Iah,Aus,jfk,lga,bos,ewr out of dtw.
Sometimes base decision isn’t all about flights though, it’s about how they make it work with network and rotation construction too, so you never know