9h 42min, sep 11, 2001 y - all flights grounded
Description:
for the first time in history, the FAA grounded all flights in the USA in 2 and a half hours about 3,300 commercial flights and 1,200 are told to land at the nearest air port.Added to timeline:
Date:
9h 42min, sep 11, 2001 y
Now
~ 24 years ago