I have an upcoming flight BRU-DOH-BKK in J within 48 hours. I am interested to upgrade DOH-BKK to F with Qcredits, since those would expiry anyway.
The flight is sold out in J, with 4/8 availability in F.
Currently there is no upgrade availability so I assume I'll have to wait until the airport. Would they already be able to process the Qcredits upgrade in BRU or do I have to wait until I am in the AS lounge n DOH?