United Continental Holdings Inc. fell the most since October 2011 after posting the only first- quarter loss among major U.S. carriers, hampered by severe winter weather that trimmed results by $200 million.
Hertz Global Holdings Inc. won final approval from the U.S. Federal Trade Commission for its $2.3 billion acquisition of Dollar Thrifty Automotive Group Inc., ending an eight-month compliance review of the deal.
Ronald Reagan Washington National Airport will get a second nighttime air-traffic controller after two flights had to land unaided, possibly because the lone person on duty was asleep. That controller was suspended.
Radio silence at Ronald Reagan Washington National Airport’s tower yesterday during two early- morning landings renews concerns about U.S. controllers working when they’re too tired to function, after the lone worker on duty fell asleep.