Aeromexico will boost flight frequencies to three US cities from the Mexican capital in July.
The SkyTeam carrier will add a fourth daily flight between Mexico City and Houston, a third daily flight to Chicago and a second daily flight to San Francisco, it says.
The new flights will begin on 15 July. Aeromexico will operate Boeing 737 aircraft on the San Francisco and Chicago flights, and Embraer 190s on the Houston flight.
Aeromexico competes against United Airlines on all three routes, schedules in Innovata show. American Airlines also operate non-stop between Mexico City and Chicago.