Complex sentence: Volaris planned to launch service to Houston Hobby Airport in Houston, Texas as soon as the new terminal was completed, but the airline chose to begin flying Houston-Intercontinental from Guadalajara on March 26,2015, instead.
Split into simpler sentences: Volaris planned to launch service to Houston Hobby Airport as soon as the new terminal was completed. But the airline chose to begin flying Houston-Intercontinental from Guadalajara on March 26,2015, instead.