There is a series called THE LONE GUNMEN. the pilot episode was about exactly that, an airliner highjacked and flown towards the twin towers by remote control.
in this episode it was stopped before it happened. embedded below. there was a whole series with around 13 episodes avaliable free to view on youtube.
------–
4 March 2001 - Pilot: Directed by Rob Bowman. With Bruce Harwood, Tom Braidwood, Dean Haglund, Zuleikha Robinson. The Lone Gunmen investigate the suspicious death of Byers' father, a top tier government agent, and discover a top secret plan for a false flag operation to crash a plane into the World Trade Center.
------—
The Lone Gunmen: Pilot
https://youtu.be/FcZ6HXIOmYE