# US Airports Grounded After AI Tool Launch

> US grounds all flights after AI tool launch, stranding thousands at UK airports.
- Title: US Airports Grounded After AI Tool Launch · Dailymail
- Summary: US grounds all flights after AI tool launch, stranding thousands at UK airports.
- Keywords: breaking, airports, flights, smart tool, grounded, transatlantic, passengers, stranded, Dailymail
- Source: Dailymail — https://dailymail.com/news/article-16292167/Live-updates-Misery-thousands-UK-airports.html?ito=1490&ns_campaign=1490&ns_mchannel=rss
- Published: 2026-11-14T10:10:14+00:00
- Read time: 1 min
- Topics: breaking, us, airports, flights, ai, smart tool, grounded, transatlantic, passengers, stranded, uk, news
## US Airports Grounded
US grounded all transatlantic flights for four hours after AI 'Smart' tool launch.
## 1.5 Million Passengers Stranded
Over 3,100 flights delayed or canceled, leaving 1.5 million passengers stranded.
## White House Denies Cyber Attack
Homeland Security secretary says cyber attack is not to blame for ground stop.
## Trump Calls It 'Old Broken Stuff'
Trump says ground stop could be caused by 'old broken stuff' in air traffic control.
## UK Civil Aviation Warns
UK warns of potential follow-on disruption for travelers to US.
## Passenger Stranded at Heathrow
Passenger stranded for five hours at Heathrow after flight cancellation.
## Ground Stop Since 9/11
Longest ground stop since 9/11, only second in 25 years.
## Air Traffic Control Systems
US air traffic control systems use floppy disks from the 1980s.
## British Airways Apologizes
British Airways apologizes for delays and cancellations due to ground stop.
## Ireland Advises Passengers
Ireland advises US-bound passengers to check with airlines for updates.
## American Airlines Passenger
Passenger rebooked for four-hour layover in Miami after flight cancellation.
## Homeland Security Secretary
Homeland Security secretary says ground stop could happen again.
## US Airports Grounded
US grounded all flights for four hours due to 'extraordinary circumstances'.
## Mid-Air Video Captured
Dramatic video shows passengers and pilots reacting to ground stop.
## Trump's Statement
Trump says ground stop could be caused by old system that had been upgraded.
## Passenger Stranded at Heathrow
Passenger stranded for five hours at Heathrow after flight cancellation.
## Key takeaway

US grounded all transatlantic flights for four hours after AI 'Smart' tool launch, stranding 1.5 million passengers.