
A woman walks past a flight information display board at Ronald Reagan Washington National Airport in Arlington, Virginia, the United States, Nov. 13, 2026. The U.S. Federal Aviation Administration (FAA) issued a nationwide ground stop on Friday following a "communication issue impacting all Air Route Traffic Control Centers," U.S. Transportation Secretary Sean Duffy said. (Xinhua/Li Rui)

People check on a flight information display board at Ronald Reagan Washington National Airport in Arlington, Virginia, the United States, Nov. 13, 2026. The U.S. Federal Aviation Administration (FAA) issued a nationwide ground stop on Friday following a "communication issue impacting all Air Route Traffic Control Centers," U.S. Transportation Secretary Sean Duffy said. (Xinhua/Li Rui)

Airplanes are seen at Ronald Reagan Washington National Airport in Arlington, Virginia, the United States, Nov. 13, 2026. The U.S. Federal Aviation Administration (FAA) issued a nationwide ground stop on Friday following a "communication issue impacting all Air Route Traffic Control Centers," U.S. Transportation Secretary Sean Duffy said. (Xinhua/Li Rui)

People check on a flight information display board at Ronald Reagan Washington National Airport in Arlington, Virginia, the United States, Nov. 13, 2026. The U.S. Federal Aviation Administration (FAA) issued a nationwide ground stop on Friday following a "communication issue impacting all Air Route Traffic Control Centers," U.S. Transportation Secretary Sean Duffy said. (Xinhua/Li Rui)