Originally Posted by
GagaPilot
I recently noticed the exact same thing for a First Class itinerary I booked for my parents in (P). At booking the Sky Priority banner appeared on the reservation. A few weeks later the banner at the top of the page magically disappeared. Still confirmed in (P) with seats in the F cabin. I blame delta IT.
Yep, it's an IT issue. On my last flight that I got a window F UG, My DL App had no SP logo and it still said Zone 1. My printed boarding pass was correct and had SkyPriority Printed and PREM.