Flightradar24 can show private planes, but the level of detail visible to the public depends on the privacy settings chosen by the aircraft owner. Most private jets are equipped with ADS-B transponders, which broadcast their position to the network of receivers used by the app. However, many high-profile individuals and corporations participate in programs like the "Limiting Aircraft Data Displayed" (LADD) or "Privacy ICAO Address" (PIA) in the United States. In these cases, the aircraft might appear on the map as a generic icon without a specific tail number, or it may be filtered out entirely at the owner's request. In 2026, while the technology to track these flights is more widespread than ever, the legal "cat-and-mouse" game between flight enthusiasts and privacy-seeking billionaires continues. If a private plane is not blocked, you can see its speed, altitude, and flight path in real-time, but for many "sensitive" flights, the app will simply display "Blocked" or show the aircraft as a generic "Private Owner" to comply with global privacy regulations and security requests.