Originally Posted by gatelouse

I agree that UA tries to avoid flying the old bird on premium or particularly competitive routes. But the 74C subs on UA664 tend to occur ~12 hours in advance, not ~2 hours prior to departure. So I suspect that there's something more to this story than the plane's not being ready in time. There's a deliberate, and early, decision to send N194UA overseas. The reason, only UA knows...