Originally Posted by
PVDtoDEL
It's been available in the mobile app for a few years at minimum. Maybe the UX changed to make it more conspicuous recently?
I have found trying to SDC on the app doesent work, or at least twice this week it told me no flights available but when I called in I had no issues changing to an earlier flight, an on the return to a later flight. So I wouldn't rely on the app.