Hi there! I see the Southwest Airlines app on your iPhone with iOS 18.5 won’t open. Let’s get this sorted out for you. To start, could you tell me if you’ve already tried any steps like restarting your phone or reinstalling the app? Also, do you see any error messages, or does the app just stay stuck on a loading screen?

In the meantime, here are some straightforward steps we can try:

1. Close the app completely: Double-press the Home button or swipe up from the bottom (depending on your iPhone model) to bring up the app switcher, then swipe the Southwest app off the screen to close it fully.

2. Restart your iPhone: Sometimes a simple reboot clears up temporary glitches.

3. Check for app updates: Open the App Store, tap your profile icon, and scroll to see if there’s an update available for the Southwest app. Updating ensures compatibility with your iOS version.

4. Check your internet connection: Make sure you have a stable Wi-Fi or cellular data connection, as the app needs it to load properly.

5. Clear app cache/data (if applicable): On iOS, this usually means uninstalling and reinstalling the app. Deleting it and re-downloading from the App Store will clear any corrupted data.

If you’ve tried all that and it still doesn’t open, there might be a compatibility issue or a server-side problem. I can look further for recent reports or info, but let me know your current status after these steps!

Are you okay to try these now?