A U.S. Air Force jet with 80 migrants that left Texas for Guatemala on Thursday charted a path around Mexico because it couldn't fly over the country, according to a U.S. official. The Mexican government said it never denied permission.

U.S. President Donald Trump forged ahead with military deportation flights on Monday, sending another planeload of migrants to Guatemala a day after coming to the brink of a trade war with Colombia when it refused to let C-17 aircraft land.

A US Air Force jet carrying 80 deportees from Texas to Guatemala avoided Mexican airspace, highlighting military's increasing role in immigration enforcement.