Controladora Vuela Compania de Aviacion (VLRS), or Volaris, said Tuesday that revenue passenger miles in June rose to 2.55 billion from 2.35 billion a year earlier.
Available seat miles increased to 3.05 billion from 2.80 billion a year earlier.
The airline transported 2.7 million passengers in June, up from 2.4 million a year earlier.
The load factor edged down to 83.6% from 83.9% a year earlier.