http://pi/dump1090-fa/data/aircraft.json
Also available locally:
/run/dump1090-fa/aircraft.json
Edit: Ok you are using that already, that’s not what i would call scraping though.
Not sure why you need Selenium to parse that. (whatever Selenium is)
Here is an example of a parser running on the RPi:
Dump1090 MySQL Database Script with Alert and Filter