united airlines

File- This Jan. 24, 2018, file photo shows a person walking near the entrance to a Toys R Us store, in Wayne, N.J. Toys R Us's management has told its employees that it will sell or close all of its U.S. stores. That's according to a toy industry analyst who spoke to several employees who were on the call Wednesday, March 14, 2018. Jim Silver, a toy industry expert, says Toys R Us's CEO told employees the plan is to liquidate all of its U.S. stores and after that, it could do a deal with its Canadian operation to run some of its U.S. stores. The company declined to comment. (AP Photo/Julio Cortez, File)

FILE- In this March 15, 2017, photo, people stand in line at a United Airlines counter at LaGuardia Airport in New York. A dog died on a United Airlines plane after a flight attendant ordered its owner to put the animal in the plane's overhead bin. United said Tuesday, March 13, 2018, that it took full responsibility for the incident on the Monday night flight from Houston to New York. (AP Photo/Seth Wenig, File)

A traveler is seen in Terminal C at Dallas Fort Worth International Airport. The government says more flights are arriving on time, airlines are canceling fewer flights, but passengers' complaints are still rising. (Associated Press)