Originally Posted by
xliioper
The Centurion lounge is also an option here with the Amex Plat card (but not the Reserve since flight is neither DL operated or marketed). However, you must pay for guest unless you spent over $75K on the card. You don't have to pay for the flight with the card for access, but the $50 guest fee ($30 for children 2-17) must be paid with an Amex card.
https://www.thecenturionlounge.com/info/access/
Thanks Ill have to try some of the centurion lounges. I spent 75k on DL reserve Amex to unlock unlimited DL. I wish those things wouold combine. I have 26 k on Platinum as I pushed for 20k in 3 mos spend for high sign on bonus but moving other spend to Reserve for MQD.