What you need to know about Southwest mobile apps
The iOS apps from Southwest will work with all of your Apple devices, from iPad to iPhone
For Southwest Rapid Rewards members, you'll be able to manage your account from the app, though using their website will no doubt provide more functionality
The Android apps from Southwest work with all Android phones and tablets from various manufacturers (Samsung, LG, Google, etc.), and Android Wear watches might also be compatible. As you might expect, the Android app from Southwest has the same familiar functions as the iOS app.
Also take a look at Southwest's website by clicking here — you should be able to do what you need there.