Prompted by Donald Trump's 7 April threat against Iran and suspicious war bets, McDonald added text and email alerts to flag spikes in tracked aircraft.
The site monitors private, business, military and identifier-disabled planes using FAA registry data and ADS-B Exchange, rating current activity from level 1 to 5 against historical patterns.
It extends McDonald's earlier 11,000-jet tracker as scrutiny of flight data grows, despite pushback from figures such as Elon Musk and Taylor Swift and a proposed US bill limiting access.
If billionaires can mask their jets, is this doomsday tracker just monitoring the less secretive rich?
Beyond tracking their escape, how can data reveal the elite's role in creating the crises they flee?
With the wealthy already fleeing conflict zones like Dubai, has the 'apocalypse' for some just begun?