Understanding when different age groups rely on ride-hailing services helps transportation providers, advertisers, and urban planners allocate resources and target communications more effectively. Ride-hailing platforms that align driver availability, promotional offers, and app notifications with the actual usage patterns of distinct age segments can improve both customer satisfaction and operational efficiency. Across all age groups in the United States, two broad usage windows dominate, morning and afternoon, though the balance between them varies considerably by generation. These patterns point to meaningful opportunities for ride-hailing companies to tailor pricing strategies and driver deployment by time of day and audience.