Originally Posted by
JAXBA
That rumour....I think the rumour was something along the lines of 'if there's a BA flight number, book it - avoid booking another airline's code, especially if the flight is operated by BA' or something like that....
We originally had two CX flights (HKG-JNB) on BA-issued RTW tickets issued as JL code shares to accrue more Avios pts. On trying to change the dates after having flown the first two sectors of the AONE4, BA insisted on replacing them with the hard metal CX flight numbers, i.e. they don't want to have to dish out more Avios than necessary.