FILE PHOTO: A traveler walks past a screen showing dozens of flights listed as cancelled or delayed at Seattle-Tacoma International Airport (Sea-Tac) in Seattle, Washington, U.S. December 27, 2021. REUTERS/Lindsey Wasson
FILE PHOTO: A traveler walks past a screen showing dozens of flights listed as cancelled or delayed at Seattle-Tacoma International Airport (Sea-Tac) in Seattle, Washington, U.S. December 27, 2021. REUTERS/Lindsey Wasson