Quick sort on flights search page

When a single search query returns hundreds of results, we need to offer users as many options to filter out only what they want.

The first phase of this feature was to introduce the full range of sorts and filters to get data on which were the most relevant. With the results, we implemented a quick sort bar that was more convenient and obvious in terms of placement. Because we also now know that users care about price and duration the most, we surfaced more information such as price and duration within the quick filters itself.

Results:
Positive contribution to flights with overall +1.8% and +3.43 ibpd. We also saw good engagement with 6% users using the fastest quick sort, 2.8% best, and 2.9% cheapest. This beats the original sort dropdown which only had 5.2%.