Flight Radar is a popular and widely used online platform that provides real-time flight tracking information. https://www.flightradar.in/ko/
It offers an interactive map that displays the current positions and movements of aircraft around the world. By utilizing data from various sources, such as ADS-B (Automatic Dependent Surveillance-Broadcast) receivers and radar systems, Flight Radar is able to provide accurate and up-to-date information about flights in progress.