The US Federal Aviation Administration (FAA) has lifted a grounding order on flights across America following a computer outage that resulted in thousands of delays at airports nationwide.Earlier in the morning, the FAA ordered all US flights to delay departures until at least 9am EST (2pm GMT).However, delays and cancellations continue to snowball.

The US Federal Aviation Administration (FAA) has lifted a grounding order on flights across America following a computer outage that resulted in thousands of delays at airports nationwide.Earlier in the morning, the FAA ordered all US flights to delay departures until at least 9am EST (2pm GMT).However, delays and cancellations continue to snowball.