US threatens Mexican flights over cargo, competition issues

The U.S. Department of Transportation is threatening significant action against Mexico, including potential disapproval of flight requests and the withdrawal of antitrust immunity for the Delta Air Lines-Aeromexico joint venture. This follows Mexico's unilateral decision to cut flight slots and force cargo carriers to relocate operations, which the DOT alleges violates a bilateral air agreement, disrupts the market, and imposes millions in increased costs on U.S. businesses. The potential measures could severely impact transborder competition and consumer travel between the U.S. and Mexico.

Analysis

The U.S. Department of Transportation (DOT) has escalated a dispute with Mexico, threatening retaliatory measures in response to Mexico's unilateral decisions in 2022 and 2023 to reduce flight slots at Benito Juarez International Airport (MEX) and mandate the relocation of all-cargo operations to the new Felipe Angeles International Airport (AIFA). The DOT alleges these actions violate a bilateral air agreement, have disrupted the market, and imposed millions in increased costs on U.S. businesses. The most significant proposed action is the withdrawal of antitrust immunity for the joint venture between Delta Air Lines (DAL) and Aeromexico, which would force an end to cooperation on pricing, capacity, and revenue sharing. Delta has stated this would cause "significant harm" to consumers and competition in what is the most popular international market for U.S. travelers. Further measures include requiring Mexican carriers like Volaris to file schedules for U.S. approval. While Mexico defends its moves by citing overcrowding at MEX, operational challenges persist at AIFA, which is reportedly at full cargo capacity and has inadequate city transport links, creating uncertainty for both passenger and cargo carriers.

Key Decisions for Investors

• Investors in Delta Air Lines should recognize that the potential withdrawal of antitrust immunity for its Aeromexico joint venture represents a material risk to its competitive positioning and revenue generation in the critical U.S.-Mexico corridor.
• Holders of Mexican airline stocks, such as Volaris, must price in heightened regulatory risk, as potential U.S. flight disapprovals or onerous scheduling requirements could directly impede access to their largest international market.
• The entire U.S.-Mexico aviation sector faces significant uncertainty, and investors should closely monitor developments ahead of the late-July deadline for a final DOT decision, which will serve as a major catalyst for the stocks involved.
• The forced relocation of cargo operations suggests near-term margin pressure for air freight companies with exposure to Mexico City due to logistical disruptions and increased costs at the capacity-constrained AIFA airport.