United Airlines is donating free flights to reunite immigrant children who have been separated from their parents at the southern U.S. border.

The move was announced this week on Facebook by FWD.us, a pro-immigration organization established by leaders in the tech industry.

'We have great news to share! A growing community of support is coming together to reunite families who were separated at the border. We are so thankful and happy to announce that United Airlines is jumping in and helping,' FWD. us wrote.

A view of inside U.S. Customs and Border Protection detention facility shows children at Rio Grande Valley Centralized Processing Center in Rio Grande City, Texas, U.S., June 17, 2018

An airlines spokesman told DailyMail.com that the company was providing hundreds of tickets for reunification. The majority of the travel is was expected to take place between Thursday, July 26 and Saturday, August 4, though could continue in the foreseeable weeks and months.

The move garnered mostly positive reactions on Twitter.

'I'm so very impressed and thankful for your involvement in this movement. #GoodHumans,' tweeted one user.

This week the Texas-based Refugee and Immigrant Center for Education and Legal Services, also known as RAICES, announced it would donate $3 million for a 'Flights for Families' effort, also focused on reuniting families.

The funds came from an outpouring of donations in recent weeks from Americans.

'Flights for Families' is a partnership between RAICES, FWD.us and the Families Belong Together coalition that helps pay for flights and assists with travel logistics.

FWD.us announced the move by United Airlines on Twitter. The airline will provide free flights to reunite immigrant families

The effort includes a travel help desk that can be used by family members trying to be reunited, as well as their attorneys or case workers.

'Flights for Families represents the best of our country – Americans are coming together in love to support children and families and reject the inhuman treatment of immigrant children,' said Jess Morales-Rocketto, director of the Families Belong Together coalition, in a statement.

The airline appeared to be riding high on the positive public relations this week.

'United is in a unique position to provide badly needed support that few can provide to help reunify these families, and we take pride in doing our part to connect people and unite the world,' the airline said in a statement.