with every turn counting as an instruction, this is way too much for both the controllers and pilots, not to mention the frequency congestion
On Mar 30th, 2021 – a month after asking this – the Office of Inspector General released their findings of their latest audit, with which the FAA concurred.
The projected benefits were slashed from $213 billion to $100 billion, of the biggest factors is implementation issues with TBFM (Time Based Flow Management), essentially what is shown above :D
The Hangar
The Hangar