Only a subset of the fares offered by United Airlines allow for upgrade via their Global Premier Upgrade (GPU) instruments issued to top elites each year. Add this extension on to your browser and it will automatically fill in the eligible fare classes on the advanced search page, making the search just a wee bit easier. Combine with the UA Expert Mode+ extension and you can more easily find eligible fares with the upgrade space open, too. Also has the appropriate fares for Business->First GPUs included. Latest version updated to support the new United beta site
You can Follow the below Step By Step procedure to install the UA GPU-able Search Chrome Extension to your Chrome Web browser.
It is the UA GPU-able Search Chrome extension download link you can download and install Chrome Browser.
Enhances Google Flights search by surfacing legrooms, carry-on restrictions and other amenities on search result list.
Find all the awards!
Activate award miles directly from 850+ store sites with one click and never miss out on miles again.
Put the Star Alliance Search Link back on the ANA site, even if you have no miles in your ANA account.
Adds new features and builds fare purchase links for ITA Matrix
See the number of frequent flyer miles you could earn with Expedia, Orbitz, Travelocity, Hotwire, and more! (all unaffiliated)
Always show all the fare buckets for 'expert mode' on united.com.
AwardWallet Browser Helper
Make it easy to see your fare construction from the receipt page on the UA site