American Airlines flight attendants asked the carrier to ground its Boeing 737 Max planes after one operated by Ethiopian Airlines crashed shortly after takeoff, killing all 157 people on board.
Aviation regulators from China to Britain have grounded the aircraft, joining a growing list of countries and airlines suspending the plane.
Airlines are grappling with a surge in fuel prices and passengers may end up paying more.
The new premium economy seats, which are being swapped in, sell at a higher fare than the main economy seats.
Doug Parker called the warning that African-Americans have suffered discriminatory behavior on the carrier a chance to improve.
American Airlines CEO Doug Parker penned a letter to employees in response to Qatar Airways announcing their desire to invest.
American says it received an unsolicited notice from Qatar Airways about acquiring at least a 10 percent stake in American.
"This ruling will strengthen all of our communities," President Obama said in a speech following the ruling.
The transports may not be telling a tale of doom, and the reason for the selloff in the airlines Wednesday may help to explain that.
Jim Cramer’s telling you to be afraid. Be very afraid.
American Airlines benefits more than most airlines from the oil price drop because it's not locked into higher fuel costs, CEO Doug Parker tells CNBC.