This document discusses an app called Time to Fly that helps travelers estimate optimal departure times for the airport by factoring in live traffic data, security wait times, and personal preferences. It describes the problem the app aims to solve, the solution it provides by aggregating multiple data sources, and some of the challenges faced in its development, such as coordinating team work and integrating maps functionality. The document concludes by outlining plans to improve the app with push notifications and seeking questions from the audience.