Azul Airlines’ recent Chapter 11 filing in the U.S. is receiving strategic backing from two major U.S. carriers: United Airlines and American Airlines. Both companies are long-standing partners of Azul, and their support signals continued confidence in the Brazilian airline’s long-term viability.

While Azul undergoes a financial restructuring aimed at reducing debt and improving operational efficiency, the involvement of United and American suggests that key international alliances remain intact. For Azul, this backing may help reassure creditors and customers, and maintain critical codeshare agreements and connectivity between Brazil and the United States.

For United and American, Azul’s survival is also strategically important. With limited competition on several domestic Brazilian routes, Azul provides both carriers with vital feeder traffic throughout South America’s largest air travel market. Any disruption in Azul’s network could weaken their Latin America presence and reduce revenue from joint itineraries.

Support from United and American may take the form of legal coordination, reaffirmed partnership agreements, or even financial cooperation, although no direct capital injection has been announced. This show of alliance stability could ease market anxieties and facilitate Azul’s emergence from Chapter 11 with its key relationships—and strategic value—intact.