United CEO Scott Kirby and American CEO Robert Isom were once colleagues known as the 'dream team.' Now Kirby wants to acquire his rival FortuneAmerican Airlines Says It Won't Merge With United The New York TimesAmerican Airlines Rejects United CEO's Merger Proposal WSJStatement from American Airlines American AirlinesSky Harbor's biggest airline shuts down drama-filled merger rumors azcentral.com and The Arizona Republic
