Duffy Demands $50 Billion From Congress After FAA Ground Stop

Transportation Secretary Sean Duffy says Congress must hand over $50 billion to replace air-traffic-control hardware and software that has been in service since the 1980s. He made the demand at a Friday evening press conference, hours after the Federal Aviation Administration halted departures nationwide. The disruption delayed roughly 10,000 flights and canceled nearly 5,000, according to Business Insider's count — a single-day hit to airlines measured in repositioned planes, stranded crews and stranded passengers.

Duffy appeared alongside Homeland Security Secretary Markwayne Mullin. Both men pointed to aging network equipment as the trigger: overloaded "old switches, old routers" that failed and disrupted communications at multiple air-route traffic-control centers. The claim is concrete, but the officials conceded they have not confirmed the precise cause. They said they found no evidence of a cyberattack or of failures linked to artificial intelligence. The investigation continues.

What went wrong on Friday?

The FAA ordered the nationwide ground stop as a safety precaution. Aircraft already airborne continued to their destinations or diverted as needed. The stop lifted around 8:15 pm ET, but airlines spent the hours afterward scrambling to reposition planes and crews. For travelers, the practical arithmetic is stark: for every canceled flight, an aircraft and a full crew ended up in the wrong place for the next morning's schedule.

The root cause, per Duffy, is infrastructure older than most of the people operating it. He said the system can no longer handle the volume of data moving through it — a capacity problem, not a one-off glitch. Routers from the 1980s are now routing the traffic of an aviation system that has grown several times over since they were installed.

What are officials asking for?

The $50 billion figure is Duffy's, repeated throughout the press conference. He framed it as a test of political will:

• "How many times does this have to happen before Congress gives the money to fix it?"
• "We should talk to our senators and our members of Congress to say 'we don't deserve this, America.'"
• "This is the greatest country — by the way, with the greatest president — let's give the money to fix this very real problem."

Mullin argued the money must fund a single rebuild, not incremental patches. "We need one complete system. We need someone to come in and build the whole system. Doing it — nickel-and-diming it together — does not work. This is what happens when that takes place," Mullin said. His argument implies past appropriations failed precisely because they funded pieces rather than a whole — a claim about procurement history the officials did not document at the podium.

What is still unknown?

Two things remain open. First, the precise technical cause of the outage is unconfirmed; officials ruled out cyberattack and AI-linked failure only provisionally, pending investigation. Second, no lawmaker has publicly committed the $50 billion. Duffy's number is a request, not an appropriation — Congress has not acted on it, and the press conference produced no timeline, no cost breakdown and no identified contractor for the "one complete system" Mullin described.

The takeaway in plain words: the administration has put a $50 billion price tag on a failure that stranded thousands of flights, and until Congress pays it, the same 1980s hardware stays in service.