The Winnipeg Airports Authority says it’s working with all parties at Winnipeg’s airport after all flights in the U.S. were grounded On Friday, the Federal Aviation Administration grounded all flights in the United States due to a “communication issue impacting all U.S. Air Route Traffic Control Centers.” “At the moment, Winnipeg Richardson International Airport is not experiencing a significant impact,” a spokesperson with the Winnipeg Airports Authority (WAA) said in an emailed statement to CTV News. “We are working closely with all parties to support the airport’s safe and efficient operations.” Airports in Toronto, Montreal, Ottawa, Edmonton, Calgary and Vancouver confirmed flights to and from the U.S. have been impacted by the grounding. The WAA recommends that travellers check their flight status before heading to the airport.