Advance hotel bookings for summer 2018 in Orlando (June-August) are up 2.4 percent compared to this time last year. Transient bookings -- accounting for 60 percent of total bookings in the latest data from Travelclick -- are on par (+0.2 percent) with prior-year levels, and group bookings are up nearly 6 percent over last year. The data on group room bookings is echoed in citywide attendance this summer at the Orange County Convention Center, which is also projected to be up 6 percent versus summer 2017.