Most of them are available for single airline ticketing, too. (hahnair.com)
Southwest Airlines says with its 3,800 flights each weekday this summer, the airline will fly more than any other single airline in the world. (insideflyer.com)
It can be tempting for business travelers to stay loyal to a single airline, but you shouldn't take it for granted that your airline will stay loyal to you. (entrepreneur.com)