Originally Posted by
Ali380
Good to know, I use amex as well for 5x. To confirm do you get priority boarding from status or the card perk (without purchasing flights on card)?
Group 2 boarding appears to be tied to your MP number, so you get it anytime, but the bag benefit is just if you use the card, so if you value your Amex points at less than your bag fees, I recommend using your UA card.