Frontier Airlines PHX Terminal, providing travelers with a variety of basic services for a hassle-free and convenient travel experience. The terminal offers easily identifiable ticketing counters where travelers can buy tickets, handle reservations, and get travel-related help. Check-in is provided through manned counters and easy-to-use self-service kiosks, enabling rapid processing. Baggage support is provided for checked bags, such as tagging and delivery to the plane, with assistance provided for oversized or special items. Electronic flight information displays are also found throughout the terminal, providing real-time updates on flight status and gate information. Frontier's customer service agents are available to assist with inquiries, special requests, or travel interruptions, providing responsive and useful service at all points. 

The system is readable and refreshes often, keeping travelers up to speed at each step. Aside from the on-terminal showings, travelers can also utilize Frontier's mobile app to receive live notifications, gate updates, and boarding notifications. Digital connectivity with in-terminal systems assures smooth information flow that is efficient at reducing confusion as well as travel inconveniences.

Security screening at Terminal 3 is overseen by the Transportation Security Administration (TSA) and includes standard and TSA PreCheck lanes. Frontier Terminal PHX customers are guided to the corresponding security checkpoint depending on their boarding pass designation. After passing through security, customers proceed into the post-screening concourse where they can proceed to their departure gates, unwind, shop, and dine prior to boarding. Terminal 3's newly renovated concourse features a range of retail stores, dining facilities, power outlets, and lounge seating areas. Frontier does not have an owned lounge facility, but its terminal experience provides comfort and convenience without the luxury lounges.

Frontier Airlines gates are usually in the north concourse of Terminal 3. Boarding areas are well marked, and gate agents make frequent announcements about boarding procedures, which are organized according to Frontier's zone boarding system. Passengers are asked to be prepared at the gate with boarding pass and identification. Families with children, passengers requiring extra time, and elite status members are sometimes offered early boarding.

Customer service is a foundation of the Frontier experience at PHX. Although the carrier is famous for its bare-bones model, the ground crew are present and prepared to help with all manner of passenger issues. At the gate, customer service agents deal with last-minute ticket changes, standby lists, boarding order, and questions regarding carry-on allowances. They also help rebook flights due to delays or cancellations. In the unusual event of major disruption, including weather-related delays or mechanical problems, agents work with the operations team of the airline to give timely notification and alternatives to impacted travelers. Frontier's customer service desk in Terminal 3 is also accessible for more complicated issues, including lost ticket problems, travel vouchers, and disability services.

Along with in-terminal assistance, Frontier Terminal Phoenix invites passengers to utilize its online customer service tools. Frontier's website and app provide live chat functionality, FAQs, and booking management capabilities. Passengers traveling from PHX Terminal 3 can also access complimentary airport Wi-Fi, so they can access these resources during their wait for the flight. For passengers in need of direct attention but having already passed security, gate crew are instructed to offer assistance and communicate flight information, services, and terminal services.