Ontario–East station is served by 11 Metrolink Riverside Line trains (6 westbound and 5 eastbound) each weekday, running primarily at peak hours in the peak direction of travel. There is no service on weekends.[5]
The station is owned and operated by the City of Ontario. Omnitrans Route 81 also operates to the station.[6] Ontario–East is the closest station to Ontario International Airport. Airport passengers can take Omnitrans Route 81 to the consolidated rental car facility on Haven Avenue, where a free airport shuttle will deliver them to the terminal. The connection is free with a Metrolink ticket. There are 656 parking spaces available at the station.[7]