United's chief financial officer, Andrew Levy, says United will compete aggressively with Spirit in its hubs, and touted its operational reliability as a competitive advantage.
Airline entrepreneur Bill Franke nurtured American Airlines' management team, transformed Spirit and Frontier, now oversees Frontier and Wizz Air and is starting an airline in Chile. It beats retirement.
Stocks suffered their worst losses of the year as chaos surrounding President Donald Trump's immigration ban kept investors playing defense.
The Trump rally takes a blow on Monday as chaos and confusion surrounding the White House immigration ban sends global equities spiraling.