One of the advantages of the PHL Frontier terminal is its well-organized check-in counters. Frontier Airlines has clearly marked areas for ticketing and baggage drop-off, which helps reduce waiting times. Additionally, security screening is generally efficient in this terminal, helping passengers move quickly from check-in to their departure gates. https://airportsterminalhub.com/airlines/frontier-airlines/frontier-airlines-philadelphia-international-airport-phl-terminal/