Upgrades Overview Upgrades Overview Upgrades Overview not the IAD-DXB Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades overview Upgrades Overview Upgrades Overview See upgrade regions chart Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview visiting United’s website Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview "Upgrades Overview" Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview "Upgrades Overview" Upgrades Overview Upgrades overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Any CPU flight is eligible priority order See upgrade regions chart several ways that United Airlines processes upgrades Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview priority order Upgrades Overview Upgrades Overview Upgrades Overview "Upgrades Overview" Upgrades Overview Upgrades Overview Upgrades overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Learn more about upgrade confirmation and upgrade regions Upgrades Overview Upgrades Overview Upgrades Section Upgrades Overview Upgrades Overview upgrade regions chart Upgrades Overview http://www.united.com/web/en-US/cont...t.aspx#regions Upgrades Overview "Upgrades Overview" Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Learn more Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Upgrades Overview Any CPU flight is eligible Upgrades Overview Upgrades Overview Upgrades Overview