The frontier terminal at Ontario airport offers a hassle-free and efficient travel experience . Despite being somewhat tiny, the terminal is equipped with all required amenities, such as restrooms and food shops. There are no protracted lines or delays throughout the speedy check-in process. The flight attendants are helpful and friendly, and boarding happens quickly. There are convenient charging facilities in the seating area for electronic devices. The terminal may not have all the facilities larger airports provide, but it more than makes up for it in ease, making it a great option for travellers who want a stress-free beginning to their trip.