Southwest Airlines on Tuesday said it was making "solid progress" in efforts to return operations to normal after cancelling nearly 16,000 flights in the week ended Dec. 29 due to bad weather and meltdown of its crew scheduling system.
Southwest Airlines on Tuesday said it was making "solid progress" in efforts to return operations to normal after cancelling nearly 16,000 flights in the week ended Dec. 29 due to bad weather and meltdown of its crew scheduling system.