I have an Iberia ticket for flights with Iberia and Latam. I didn't add my LatamPass number while making the reservation, so I tried to add it later to the existing reservation on ba.com and qatarairways.com (it's not possible to do that on Iberia's own website), but my number keeps getting rejected. I called Iberia now and I was told it's because LA is no longer a OW member, so the agent wasn't able to add it either. I find it rather strange, as both Latam and Iberia list each other as associated airlines in their respective programs. I was able to add the number to the reservation on Latam.com, but the number doesn't show in Amadeus, so Iberia cannot see it. I hope I will be able to add it during check-in (the first flight is operated by IB). I wonder if anyone has any recent experiences with LatamPass and OW flights.