Earlier this year, several airlines, including United, said they would not let federal authorities  use their planes to transport migrant children who had been separated from their parents.  But recently United went a step farther.

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United is now donating free flights to help reunite immigrant families who were separated at the United States southern border. The airlines said, "Our company's shared purpose is to connect people and unite the world. We are proud to help reunify immigrant children and families."