The United States has lifted a nationwide aircraft takeoff suspension imposed after a suspected air traffic control communications system failure, allowing flights to resume after about four hours and 20 minutes. Four Korean Air and Asiana Airlines flights from Incheon to New York, Atlanta and Boston were initially canceled but later had their cancellations withdrawn and were changed to delayed departures.
Incheon Airport had 52 US-bound flights, including cargo services, and 54 inbound flights scheduled for the day, while roughly 6,000 flights in the United States were canceled during the suspension. Further delays and schedule changes may continue as airlines work through the disruption.