Hi there, among the  Operating out of at George Bush Intercontinental Airport (IAH), Frontier Airlines IAH Terminal provides budget flights that come with additional charges for baggage, seat selection, and snacks. It's advisable to arrive early due to potentially long check-in lines. Security wait times can fluctuate, particularly during peak hours. While the terminal is well-maintained, it can become congested. Boarding is typically smooth, and flights frequently adhere to schedule. If you travel light and plan accordingly, it’s an economical option.
https://www.exploreairterminal.com/frontier-airlines/frontier-airlines-iah-terminal-george-bush-intercontinental-airport/