I recently discovered how to request an upgrade on Delta app, and it’s incredibly easy! Thanks to airlinesofficeaddress.com, I learned that you simply open the Delta app, go to "My Trips", and select your flight. From there, you can choose an upgrade using SkyMiles or by paying the difference. If you're ever unsure about how to request an upgrade on Delta app, check out this website for clear instructions!
visit here: https://airlinesofficeaddress.....com/blog/how-to-get-
