U.S. Threatens Retaliation Over Mexico Flight Slot Cuts and Cargo Relocation

The Trump administration is preparing retaliatory action against Mexico following decisions that disrupted U.S. airline operations in Mexico City. U.S. Transportation Secretary Sean Duffy warned that flight requests from Mexican carriers could be denied if the country fails to address concerns stemming from 2022 and 2023 policy changes.

At the heart of the dispute is Mexico's decision to cut flight slots at Benito Juarez International Airport (MEX) and force cargo carriers to move to the more distant Felipe Angeles International Airport (AIFA). The Department of Transportation (DOT) claims this violates a bilateral air transport agreement, raising costs for American companies and undermining market competition.

The DOT is also proposing to revoke antitrust immunity from the Delta Air Lines and Aeromexico joint venture, which allows the airlines to coordinate on pricing and capacity. Delta warned that losing approval would harm consumers, jobs, and cross-border competition. Aeromexico plans to issue a joint response.

Cargo carriers argue the move set a dangerous global precedent and reduced safety assurance, as AIFA is already at capacity and poorly connected to central Mexico City. The DOT noted that Mexico’s actions disrupted air cargo services ahead of the 2026 World Cup, for which MEX is being renovated.

As part of its response, the DOT has ordered Mexican airlines to submit schedules for all U.S. flights and seek approval for major charters. Affected carriers like Volaris and Viva Aerobus have yet to comment. The U.S. also signaled possible action against European airports imposing similar operational constraints.

The escalating tension highlights growing friction in U.S.-Mexico aviation relations, as American officials seek to protect access and fairness for U.S. airlines in key international markets.