Flight Tracking

What is the difference between a call sign and a flight number?
There are two main international aviation organizations. The International Civil Aviation Organization (ICAO) and the International Air Transport Associatio...
Mon, 12 Sep, 2022 at 5:20 PM
Do you know why a flight is or was delayed?
In some cases, we receive advance delay information, but we do not have any information about the reason for the delay.    For all questions about delays ...
Mon, 12 Sep, 2022 at 5:19 PM
Why is there a flight missing from the departure or arrival board?
Flightradar24 combines data from several sources including schedule and flight status databases from airlines and airports around the world. These databases...
Mon, 12 Sep, 2022 at 5:21 PM
What is the coverage area of an ADS-B receiver?
Coverage depends on many different factors. The antenna needs to be placed as high as possible with free visibility in all directions.    Normally the cov...
Mon, 12 Sep, 2022 at 5:17 PM
Why is the registration on the side view image visible for blocked aircraft?
The side views are an illustrated example of the aircraft model and the visible registration is just an example. The actual registration of the aircraft is ...
Mon, 12 Sep, 2022 at 5:29 PM
Why can’t I see certain oceanic tracks?
The North Atlantic tracks are not active 24 hours a day and are shown during periods of track validity.  The daytime (westbound) tracks are valid from 11:3...
Mon, 12 Sep, 2022 at 5:22 PM
Can you cover my area please?
We’re progressing towards our goal of global coverage.  You can help us achieve that goal by hosting an ADS-B receiver.  Please see the options below - yo...
Mon, 12 Sep, 2022 at 5:28 PM
Why use space-based ADS-B?
ADS-B signals have a limited range and terrestrial stations are incapable of coverage over the oceans and in remote areas without power and internet.   Us...
Mon, 12 Sep, 2022 at 5:31 PM
Why don't you have coverage in my area?
Flightradar24 coverage is only available in areas where someone has installed an ADS-B receiver and shares data with the Flightradar24 network.  We are ...
Wed, 8 Feb, 2023 at 3:13 PM
What is the latency of the space-based ADS-B signal?
The latency of each position varies depending on a number of factors. Any outdated data is discarded and only near real-time aircraft positions for space-ba...
Mon, 12 Sep, 2022 at 5:32 PM