The unofficial start of summer over the Memorial Day weekend offers a troubling glimpse of what lies ahead for travelers during the peak vacation season.
U.S. airlines canceled more than 2,800 flights from Thursday through Monday, or about 2 percent of their schedules, according to tracking service FlightAware.
Delta Air Lines, usually among the top performers, had the worst record among major carriers with more than 800 canceled flights over the five-day span.
“This was a chance for airlines to show that last summer’s delays would not be repeated this summer, and yet, it was not to be,” said Helane Becker, an analyst for banking firm Cowen. She blamed the disruptions on bad weather, air traffic control delays, airline crew members calling in sick, and long security lines at some airports….