I've made a few; I know others have as well. Why not a thread which collects all of them so people can have them readily available? Here are the ones I've created (available from the Chrome Store or direct download for GreaseMonkey users): United.com Expert Mode (fare buckets) United Receipt Parser (Useful for PQDs) Searching for upgradeable fares on United.com Others I'm aware of: The UA Site Fare Evaluator Userscript Greasemonkey/Tampermonkey script to highlight R/RN bucket availability Feel free to share more below and I'll keep this thread updated. If there's a way to wikify it I'm cool with that, too. Note that Chrome recently changed its rules so most users will need to pull scripts from their store to use them.