![How accurate is the information on FlightRadar24 when tracking a plane? How big can the numbers fluctuate form what an aircraft is actually doing? I know there's a delay. Saw some odd How accurate is the information on FlightRadar24 when tracking a plane? How big can the numbers fluctuate form what an aircraft is actually doing? I know there's a delay. Saw some odd](https://external-preview.redd.it/n-R8Yl27k76SrLuVAc_svfAyablY3B4CrRgqKUP7rag.jpg?auto=webp&s=3cb5a8b6d3267578fb0ce889b97e7c6b8773d8c8)
How accurate is the information on FlightRadar24 when tracking a plane? How big can the numbers fluctuate form what an aircraft is actually doing? I know there's a delay. Saw some odd
Flightradar24.com - Here is a #MH370 situation update from Flightradar24 because of the many questions we get. The ADS-B transponder of an aircraft is transmitting data twice per second. FR24 saves data
![transponder - Would the "Calibrated Altitude" figure on FlightRadar24 better be labelled "Pressure Altitude"? - Aviation Stack Exchange transponder - Would the "Calibrated Altitude" figure on FlightRadar24 better be labelled "Pressure Altitude"? - Aviation Stack Exchange](https://i.stack.imgur.com/Y0Ymn.png)