What is Flightradar24?
Flightradar24 is a Swedish internet service that displays real-time flight information on a map. It contains flight paths, origins and destinations, flight numbers, types of aircraft, positions, heights, directions and speeds. It can also display time-lapse renderings of previous routes and historical flight data of the airline, airplane, airplane type, map, or airport.
Flightradar24 collects data from various sources. But outside the United States mainly from crowd-sourced informations from volunteers with a ADS-B receiver. The service was founded as a hobby in 2006 by two Swedish aviation enthusiasts. For Android and iOS there is a mobile app available in a free and in a paid version. The paid app has a lot of additional features and is ad-free. For mobile Windows devices there is currently no official app of Flightradar24 available.