Today CO announced new, twice-weekly service to Tuxtla Gutierrez, Chiapas, Mexico (TGZ) from IAH using the good ol' ERJ. Service begins June 9.

CO 2103 departs IAH 6:15 pm, arrives TGZ 9:20 pm - ops Wed, Sat
CO 2502 departs TGZ 8:30 am, arrives IAH 11:20 am - ops Thu, Sun


Press release here.

Info on what the heck Tuxtla Gutierrez is here.