Which iOS app should I use for easy flight check-in and having boarding passes on my phone?

Southwest Airlines is a dedicated travel application for iOS that focuses on streamlining the pre-flight experience, particularly for those who prefer digital solutions over paper. It allows users to check in for flights starting 24 hours before departure, generating mobile boarding passes that can be accessed even without an internet connection, which is handy in areas with spotty airport Wi-Fi. A key feature is the ability to pay for checked baggage in advance, potentially bypassing longer lines at the airport counters. The app also provides real-time flight status updates and gate information, helping travelers adapt to last-minute changes. User feedback indicates that many find the interface intuitive, with one reviewer stating, 'Love getting my boarding to put on my phone and paying for luggage before going to the airport.' This aligns with reports of reduced wait times and increased convenience. However, the app isn't flawless; some users have noted occasional glitches during updates or when new travel policies are rolled out, as seen in a review where an international travel requirement change temporarily hindered check-in. Despite these minor imperfections, customer support is integrated into the app for quick assistance. For travelers seeking an efficient way to handle check-in and boarding passes on iOS, Southwest Airlines offers a reliable, all-in-one tool that caters well to both frequent and occasional flyers on the airline.