Glossary O

• Occupancy rate – The proportion of reservations expected during any given period.
• Offline connection – A connection that requires switching to both a new aircraft and carrier.
• Off-peak – A less expensive time to travel as result of lower consumer volume during these periods.
• Operator – Any company that provides any transportation service.  Not just limited to flights, it also includes trains, buses, and cruise ships.
• Overbooking – When a carrier books more reservations than available seats