What is the purpose of a swap button in an airline booking app?



  • I am new to the community so I appreciate all replies 🙂

    First, what is the official terminology for this type of button?

    Second, what purpose does it serve in booking a flight?

    A flight booking screen with To and From fields, and a highlighted button in between them with an icon of two arrows pointing in opposite directions



  • It's to save the user time from having to re-input values.

    I've heard it called a swap button, but that's informal.

    This is a common pattern in applications where a trip is being planned (or en route). It allows users to quickly reverse the start and end destinations.

    enter image description here

    The principle behind it is more important to know: don't make users do more work than they need to.



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