Airline Office Detail is a physical manifestation of an airline's dedication to customer service. These offices are responsible for a variety of responsibilities such as ticket sales, flight rescheduling, and the dissemination of information about travel policies. Staff members assist passengers with visa procedures, baggage allowances, and upgrades to ensure a seamless travel experience. They are conveniently positioned in airports or city centers and serve as a liaison between passengers and the airline's internal operations. Airline offices also play an important role in controlling emergencies and interruptions by offering fast updates and solutions. Their primary purpose is to provide personalized and efficient help to provide a positive customer experience.

Frontier Airlines operates from Terminal 5 (International Terminal) at Chicago's O'Hare International Airport (ORD). Terminal 5 is a new facility with a sleek, spacious design that accommodates both domestic and international passengers. Frontier Airlines ORD Terminal is bright and open, with wide glass windows that provide views of the tarmac and plenty of natural light. It has a variety of passenger amenities, such as eateries, duty-free shops, currency exchange, and lounging areas with charging stations. Frontier's check-in desks are located on the departure level and feature self-service kiosks for added convenience. Security lines can be long, particularly during peak travel times, however the terminal is outfitted with quick TSA Pre Check lanes.