This portal allows you to book tickets for many airlines, including United Airlines and Delta Airlines, American Airlines, Alaska Airlines and American Airlines.
United upgrade to first class with miles
A lot of travelers who have earned frequent flyer points don't necessarily want to purchase an award-winning ticket. Instead, they prefer to make use of the miles to upgrade the ticket they've purchased using cash. Upgrades and award flights have many things in common, however, the rules differ for each loyalty program. This article will explain...