The Transportation Department said Tuesday that it was launching an investigation into Delta Air Lines’ treatment of ... Regulators launched a similar probe of Southwest after its December ...

Delta Air Lines is also unwilling to pay tariffs on ... Last month, the department opened a similar probe into the national security impact of imports of medium-duty and heavy-duty trucks and ...

Delta Air Lines is under investigation by the U.S. Department of Transportation's Office of Aviation Consumer Protection as the airline scraps hundreds of flights for a fifth straight day after a ...

Delta Air Lines is also unwilling to pay tariffs on ... Last month, the department opened a similar probe into the national security impact of imports of medium-duty and heavy-duty trucks and ...