Like some of the consumer trip apps (TripIt as an example), there is the ability to create a widget on iPhone for the app (I'm not sure if Android has this ability). The widget shows the next current component on an itinerary during a trip, so if it's a flight then the flight details show in the widget and when the flight is completed, the hotel shows. This makes it so much easier to just pin the widget to the desktop and have that information viewable at a glance without having to open the app, then open the trip, reducing the clicks and friction a client has.