The Transportation Department said ongoing flight disruptions and reports of customer service issues prompted it to investigate Delta as the carrier’s meltdown enters its fifth day.
Negotiations between American and its flight attendants became so tense that their union told members to be prepared to strike this summer. The tentative deal now makes it unlikely that flight attendants could stage a summer strike.
United flight attendants are the latest to consider a vote to authorize a strike as frustrations over stagnant pay and working conditions continue to mount.
Delta, which has consistently been one of the most profitable U.S. airlines, slightly underperformed in the second quarter, partly due to an oversupply of domestic seats. That could signal trouble for domestic carriers this summer.
Gangwal’s appointment comes after activist investor Elliott criticized the airline’s board for not having enough directors with external airline experience.