Flights won't load since Sim Update 5

Do you have any add-ons in your Community folder? If yes, please remove and retest before posting.
Are you using Developer Mode or made changes in it?
Brief description of the issue:
Ever since Sim Update 5 my flights won’t load, whether entering from the world map or a discovery flight. The progress bar reaches ~95% and stops. I deleted all mods and tried multiple restarts and reboots.
Provide Screenshot(s)/video(s) of the issue encountered:

Detail steps to reproduce the issue encountered:
Simply try loading a flight, I guess…
PC specs for those who want to assist (if not entered in your profile)
16GB of RAM, GTX 1060 Max-Q, i7 8750H, Win 10 ver 21H1
Build Version # when you first started experiencing this issue:
Are you on the Steam or Microsoft Store version?
MS Store
Did you submit this to Zendesk? If so, what is your ticket #?