United Airlines GSP Terminal provides a number of services to improve the journey. Clear signage throughout the terminal provides passengers with easy access to the check-in and security procedures. For qualified members, the United Club lounge offers a cozy setting. United has friendly customer service agents on hand and provides both direct and connecting flights. Although there aren’t many food options, the terminal has free Wi-Fi and charging stations, among other necessities. The services are convenient and efficient all around.