Great question — answering as the UphillTech team:
The image shows the source of the information which is flightradar24 . Flightradar24 works by utilizing a network of people providing information transmitted from aircraft using ADS-B . You can download apps for Android and iOS that show this information in near real-time. You can also assist in providing this information by purchasing ADS-B receivers which can have nominal cost. I have one that is re-purposed from a USB TV receiver device. Many airlines do not provide information about the incoming aircraft that is about to service your flight, as this is subject to change, especially at hubs of large airlines. Some American airlines do provide this information in their phone apps or...
Full answer by Berwyn: https://travel.stackexchange.com/a/68620 (CC BY-SA 3.0).
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