Many travelers prefer mobile browsing because they don't feel constrained by app experiences that are sometimes limiting. But as Criteo's data show, mobile apps are still a powerful way to win customers and conversions if they're constructed in ways that build trust and promote simplicity.
Travelers have a lot of reasons for taking their time to book flights and hotels. Part of that comes from external factors but much of it also derives from uncertainty about whether they'll find a better price or where the best deal lies.