You do not actually need a specific app to use Southwest Airlines' WiFi; however, the Southwest Mobile App (available for iOS and Android) is highly recommended for a seamless experience. To connect, you simply switch your device to Airplane Mode, join the "SouthwestWiFi" network, and open your browser (Safari or Chrome) to SouthwestWiFi.com. This portal allows you to access free live TV, movies, and flight tracking without downloading anything extra. However, the app is essential for other parts of your journey, such as mobile boarding passes, checking your "Rapid Rewards" status, and accessing the "Live Chat" feature for customer service. For the best 2026 experience, download the app before you board to manage your booking, but trust that your browser is all you need for the in-flight entertainment and internet.