Dhak a, July 20 -- The Trump administration has imposed new restrictions on flights from Mexico and is threatening to terminate a long-standing partnership between Delta Air Lines and Aeromexico, escalating a broader trade dispute rooted in aviation access and fairness.

U.S. Transportation Secretary Sean Duffy announced Saturday that all Mexican passenger, cargo, and charter airlines must now submit their flight schedules to the Department of Transportation and obtain approval before operating in the U.S. The move comes in response to what Duffy described as unfair treatment of U.S. carriers by the Mexican government.

At the center of the dispute is Mexico's decision to reduce flights into Mexico City's main Benito Juarez International ...