‘Too much capacity’ fueled American Airlines’ Q2 guidance cut: Analyst Yahoo FinanceAmerican shares tumble 15% after sales strategy backfires; carrier cuts growth CNBCAmerican Airlines shares plummet 15% on dismal forecast as CEO promises comeback New York Post American Airlines Tempers Business-Travel Changes as Road Warriors Book With Rivals The Wall Street JournalAs Disrupter Vasu Raja Departs American Airlines, CEO Robert Isom Expands His Role Forbes