[9] The station opened on July 9, 2015, and was initially served by two round trips per weekday, as well as special services related to the 2015 Pan-Am Games.

[13] The off-peak GO train service between Niagara Falls and Toronto passes by West Harbour station without stopping.

[13] GO bus route 18K connects with select train arrivals, with service to Brock University via St. Catharines station.

Infrastructure upgrades completed in 2020 at the Hamilton Junction have relieved a bottleneck and allowed the introduction of all-day hourly passenger rail service to the station.

[14] As part of the Province's GO Expansion program, the Lakeshore West corridor will be electrified between Union Station and Burlington allowing the operation of electric trains at frequencies of 15 minutes or better all day.

Trains traveling between Toronto and Niagara Falls must reverse either in or out of the station, a maneuver that adds 20 minutes to the schedule.