New iOS 27 Phone App can now do this...

The video likely performed well because it showcased a practical and time-saving feature for a widely used operating system (iOS). By demonstrating how the new app can proactively surface crucial information like flight confirmation codes during a call, it appeals to a common user need for convenience and efficiency, especially for travelers.

This video showcases a new feature in iOS 27 where the phone app can proactively surface relevant information from other apps when calling a business. For example, when calling an airline to change a flight, the app can automatically find the confirmation code in the mail.