FlightTracker is a free ad-supported utility application that allows users to track commercial or general aviation flights in the United States airspace. The app supports flights in the US and Canadian airspace, including Alaska, Hawaii, parts of the Caribbean, and other US territories.

Users can search for a flight by entering the airport name, airline name, or flight ID. Upon entering the details, the app displays a tracking map of the aircraft and its current position. This feature is particularly useful for people who want to keep track of the flight status of their loved ones or business associates.

Overall, FlightTracker is a reliable and efficient app for tracking commercial and general aviation flights in the US.