Originally Posted by Sjondorn

I can confirm that J pax at LAX for KLM go to Qantas lounge (understood only for J pax, ST Elite+ in Y goes to KAL lounge). Pleasant surprise

Originally Posted by NOLAnwGOLD

Yes it's been this way since Nov 2017. I've had multiple KLM and AF biz flights since then and always directed to the Oneworld LAX Business Lounge, which is a billion times better than KAL. I think I tried to do the KAL with the recent AF J flight and they directed me to the correct place too. (I had a 7 hour layover and was going to try to hit all the PP lounges but stopped when the AS lounge was closed on Xmas day and KAL denied the AF J BP).