The Clap The Federal Aviation Administration (FAA) was forced to ground all domestic and international flights due to a system glitch.
What The cause of the problem remains unclear but US officials see no sign of a cyberattack.
Fortunately, the outage came after the holiday season, typically when the demand for travel cools down.
So What The system glitch forced the FAA to delay 6,000 and cancel over 1,000 flights. The glitch is the second hiccup that airlines faced in the past two weeks after severe storms forced thousands of flights to be reshuffled and canceled.
Now What Flights have already begun slowly resuming operations but the glitch may have an effect on flights for the coming few days.