# US flights resume after airport delays

> US flights restart but passengers face delays as ground stop ends.
- Title: US flights resume after airport delays · BBC News | Shortify
- Summary: US flights restart but passengers face delays as ground stop ends. US flights resumed after a four-hour nationwide ground stop caused by outdated air traffic…
- Keywords: us federal aviation administration, air traffic control system, flight cancellations, heathrow airport, flight delays, ground stop, BBC News
- Source: BBC News — https://bbc.com/news/live/c6z9dwn12037t
- Read time: 1 min
- Topics: us federal aviation administration, air traffic control system, flight cancellations, heathrow airport, flight delays, ground stop, news, world
## US flights grounded
All flights were grounded across the US for four hours on Friday due to an outdated air traffic control system.
## Ground stop lifted
US Transportation Secretary Sean Duffy announced flights resumed after a failure in old legacy equipment caused the nationwide ground stop.
## Passenger delays
Passengers face delays and cancellations that could stretch into next week as flights resume from london's heathrow airport.
## Key takeaway

US flights resumed after a four-hour nationwide ground stop caused by outdated air traffic control systems, leading to cancellations and delays stretching into next week.