Southwest Airlines LGA Terminal flies out of Terminal B at New York's LaGuardia Airport (LGA), with a no-frills but passenger-courteous experience. The terminal has contemporary architecture that maximizes the flow of passengers, with comfortable lounges, clearly marked signage, and plenty of helpful seating areas. Guests use self-service terminals and manned check-in counters for ticketing and seat assignments. Baggage support is available and easily accessible, complete with dedicated representatives to resolve any issues or questions. For flight status, digital screens and the Southwest mobile app offer real-time information on gate numbers and boarding times. Customer service is available through the Southwest mobile app or by dialing  +1-888-839-0502. Terminal B also features amenities like free Wi-Fi, charging outlets, and multiple dining choices, making the overall passenger experience better. Other services include wheelchair support, family restrooms, pet relief stations, and a lost and found section. The terminal's design focuses on sustainability, with energy-efficient lighting and waste reduction programs. 

 In cases of delayed, lost, or damaged bags, the passenger can report the condition to the Baggage Service Office located in the baggage claim section or at the ticket counter. The personnel will help find and deliver the luggage to the intended destination of the passenger or arrange for compensation where necessary.

Terminal B has multiple flight information displays that offer real-time information on departures, arrivals, gates, and delays. Passengers can also obtain the flight status via the mobile app or website of Southwest Airlines. The design of the terminal makes it possible for the displays to be clearly visible from multiple locations so that travelers remain aware at all times during their visit to the airport.

Southwest Airlines provides extensive customer service to help travelers with a variety of requirements. In case of reservations, cancellations, or general help, travelers can approach the customer service center of the airline. The personnel are equipped with comprehensive training to assist a broad spectrum of problems, guaranteeing that travelers get prompt and efficient remedies. Furthermore, the airport information counters have representatives available who can give directions, respond to inquiries, and provide airport service assistance.

Southwest Airlines Terminal LGA features a range of amenities aimed at improving the passenger experience. Passengers can take advantage of complimentary Wi-Fi across the terminal, enabling them to remain connected while waiting for their flights. Charging stations are strategically placed near seating areas, keeping electronic devices charged. For passengers requiring relaxation or a quick refresh, the terminal features family restrooms, baby care rooms, and pet relief areas. The terminal also features quiet seating areas, creating a serene setting where passengers can relax.

Terminal B has an eclectic array of dining restaurants and retail shops. Travelers may select from an assortment of eateries, including Shake Shack, Hill Country BBQ, and Mulberry Street by Marc Forgione, serving diverse cuisines for various tastes. For shopping, the terminal boasts a number of retail shops, including FAO Schwarz, for travelers to choose last-minute gift items or travel accessories. The food court in the terminal also features a water feature, enhancing the atmosphere and offering a beautiful dining area.

Southwest Airlines Terminal LGA strives to make services accessible to all travelers. For passengers in need of special assistance, such as wheelchair service or escort service, it is advisable to prearrange such services with Southwest Airlines beforehand. Accessible restrooms, elevators, and ramps are included in the design of the airport to ensure smooth travel for all travelers through the terminal.