Originally Posted by
ademanuele
I could not find any info on differences between OPER, OPEY and OPEN? Also, is there a link to what happened with Amadeus?
That's a few posts upthread but in summary they are all operational codes, Y means yes to EC261, N means no, and OPER means EC261 status is not declared.
1 Jul : global Amadeus issue, affecting travel agents and airlines, including BA