TAESA began to grow rapidly with its 727 aircraft, in 1991 it received its first 757-200, becoming the first commercial airline in Mexico with this model, in this same year some 737-300 were added to the fleet, later a 767-300 was added to the fleet. added to the fleet of 737's 200/300/400/500 that it owned, TAESA was at that time the leader in 737-500 operations in Latin America. In the first half of the 90s TAESA was successful in cargo flights for DHL and SERPAPROSA with its 727-100C; Some 737s were leased to Garuda Indonesia, and by 1992 they were making charter flights to the United States, Canada and Europe. Meanwhile, in the domestic market a tariff war began with the main competitors Aeroméxico and Mexicana. After the 1995 crisis in the Mexican economy, aircraft reuse policies had to be applied instead of acquiring new ones, 727-100/200, DC-9-15 DC-10-30 aircraft were attached and later a couple of A300B4.