Originally Posted by
trawler.99
How long does it take for PPs to get redeposited after a flight change when those PPs have been succesfully applied for an upgrade before on the flight to be changed?
"Successfully applied", as in your current flight(s) have PP upgrades confirmed?
If so, and you change to completely different flights, you should get them back instantaneously, and it should display the PP redeposit amount prior to confirming the change.