Passengers flying with Airways can head to the dedicated check-in counters at Terminal 5. Business and First-Class passengers enjoy expedited check-in, while Economy Class passengers benefit from Etihad’s efficient service. Be sure to arrive at least three hours before departure for international flights to allow for check-in, security screening, and immigration procedures. https://terminalspot.com/etihad-airways/etihad-airways-ord-terminal-ohare-airport/