Originally Posted by
Fabo.sk
The whole itinerary as ticketed is third country to third country and therefore not subject to EC261/2004 regulation. Unfortunately this has been litigated relatively recently for KIV-VIE-BKK and it was ruled to be out of scope. Case C-451/20. Annoyingly, the ruling is not published in English.
Thanks Fabo.sk. Not disagreeing with you there. I would still like to file a formal complaint and have this on record even if it doesn't result in any monetary compensation. Other people and litigators can use the report for future references once it's made public.