A woman is lit by sunlight Wednesday while sitting inside a coffee shop in San Francisco. A brutal winter storm knocked out power in California, closed interstate highways from Arizona to Wyoming and prompted more than 1,200 flight cancellations Wednesday — and the worst won't be over for several days. Godofredo A. Vásquez/AP hide caption
Travelers wait in line at the Southwest Airlines ticketing counter at Nashville International Airport after the airline canceled thousands of flights in Nashville, Tenn., on Dec. 27, 2022. The Department of Transportation is investigating the disaster, which led to $220 million in losses for Southwest Seth Herald/AFP via Getty Images hide caption
Transportation Secretary Pete Buttigieg on April 28 in Washington, DC. Win McNamee/Getty Images hide caption
American Airlines passenger jets prepare for departure near a terminal at Boston Logan International Airport in Boston in July. More than 1,000 flights were canceled this weekend due to weather and staffing shortages, the airline said. Steven Senne/AP hide caption