Air traffic operations are gradually resuming across the U.S. after a critical overnight system outage forced all domestic departures to pause until Wednesday morning. The Federal Aviation Administration said in a tweet just before 6 a.m. that the agency lifted its nationwide ground stop that caused a ripple effect of flight delays and cancellations across the country. The system outage was first reported at around 3 a.m. As a result of the outage, there have been 2,371 flight cancellations and 13,450 delays nationwide, according to FlightAware, which tracks all flights and departures. The impacts of the widespread delays and cancellations have not hit Seattle-Tacoma International Airport quite as hard as other major airports, however. There have been 11 flights canceled and 103 delays at Sea-Tac Airport as of 8 a.m. Wednesday. Flight Aware's "Misery Map," which tracks delays and cancellations across the country, put Sea-Tac Airport as the fifth-least affected airport by the FAA ground stop.  "I had no clue whatsoever that there were any delays at all this morning,” Steve Jones, a Sea-Tac passenger said. READ THE FULL STORY: https://www.king5.com/article/travel/nationwide-ground-stop-sea-tac-airport/281-4b6dd8f2-3490-4b15-aaff-5fd2f46c8d3c