Originally Posted by
itsmeitisss
My recent trip to mexico was booked as an IB codeshare, I have 3 different PNRs for it, including an AA record locator - the avios/TPs for the AA trips posted immediately, but the ones for the BA flights haven't...weirdness.
The AA one is actually off SABRE, not Amadeus, and they have a different format (no numbers). And yes, it's quite common to have one lead PNR and myriad other shadow PNRs if you mix airlines in a booking. Make a change or get an irrop and they multiply like rabbits.