After the September 11, 2001 attacks, AeroLitoral experienced a drop in air traffic and downsized the fleet in order to survive. Services to San Diego, El Paso, and Laredo were cancelled. San Antonio, Phoenix, and Tucson were reduced, moreover with the growth of Aviacsa on the domestic market with its Boeing 737-200 fleet invading the most profitable routes from Monterrey to León, Ciudad Juárez, Culiacán, and Guadalajara. The small commuter experienced severe financial troubles, and in 2002, many employees were laid off, among them 50 pilots. In 2002, services to Los Angeles and Ontario, California were introduced on behalf of Aeroméxico, while services to Phoenix and Laredo were cancelled.