Some of the major players in the airline industry have faced a slew of negative headlines in recent months. Delta Air Lines Inc. NYSE: DAL suffered a tire explosion that killed two workers in August. Boeing Co. NYSE: BA was in the news multiple times for safety issues with its aircraft and, in mid-September, saw 30,000 machinists go on strike. A global software outage in July forced airlines around the world to cancel or delay thousands of flights, a move that Delta said cost it about $500 million.This nega ...