FlyerTalk Forums - View Single Post - [Archived] Have a Simple Question About United Airlines/MileagePlus? Ask Here...

Mar 27, 2012, 11:37 am

#1870

bmvaughn

Join Date: Aug 2007

Location: Near SEA

Programs: UA MM, AS MVPG75K, Marriott Lifetime Gold

Posts: 7,969

Has anyone found a way to upgrade a reservation online that used a certificate? I'm looking around, trying to hack together a URL that might work like on the old UA site.