Frontier Airlines BOS Terminal flies out of Terminal E of Boston Logan International Airport (BOS) and provides a lean travel experience with core services for travelers. Travelers may check in online using the Frontier mobile app or site 24 hours prior to flight departure or use self-service machines and manned counters at the terminal. Baggage services can be obtained from the airline’s Baggage Service Office, and complaints regarding delayed, damaged, or lost bags must be made in a timely fashion. Terminal E offers services like restaurants, retail stores, complimentary Wi-Fi, and charging outlets to make travel more enjoyable. Travelers can obtain flight information from the flight display monitors in the terminal or the Frontier app. For further help, customers may call Frontier’s customer service at  +1-888-839-0502 or go to the airline website.