The number of challenges facing Korean Air could fill an A380. Nonetheless the airline remains quite profitable. Korean Air’s prime competitor, Asiana, has not been as fortunate, and we discuss the differences. Meanwhile, Aegean Airlines is doing just fine—more than fine, even—in a very tough economic environment. No stranger to a tough economic environment, Brazil’s Azul is trying to hold its own by again selling a piece of itself. Also, what’s so special about the U.K. leisure carrier Jet2.com?