Join Date: Jul 2002
Location: Still going through ORD security when boarding has already started
Programs: AA EXP, UA Silver, HH Gold, Bonvoy Gold, IHG Plat, Hyatt Disco, Reno Air MEGA Platinum
Posts: 10,307
Agree with what others have said about calling UA directly.
I would advise strongly against just ignoring it until day of travel. That's a recipe for disaster.