Check about weather on AccuWeather.com
Check Airline Luggage Fees + Other Fees
Seat selection and in-flight gadgets (Internet, ports, etc.) on Seat Guru / Upgraded Points
Get all the information regarding Airports
Check details about Centers for Disease Control
Track flights on Flight Tracker
Check weather information on National Weather Service
Check information for Passport & Visa
Check Travel Advisories details.
It’s better to have it and not need it, than to need it and not have it! Check Travel Insurance info.
A handy list of travel phone numbers covering Airlines, Hotels, Car Rentals, Cruise Lines, Rail & Bus, and Mailing & Shipping Services.
Check US Customs to know what you can and cannot bring back to the USA.
Check Virtual Library Museums
Check World Time Clock