TorontoGO Transit

GO Transit 21 bus

Milton

77 % on time

GO Transit 21 bus Stop List and Next Departures

The GO Transit 21 - Milton bus serves 47 bus stops in the Toronto area departing from Milton GO Bus and ending at Union Station Bus Terminal. Scroll down to see upcoming 21 bus times at each stop and the next scheduled 21 bus times will be displayed. The full 21 bus schedule as well as real-time departures (if available) can be found in the Transit app.

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Stops
Fri, May 30, 2025
  • Milton GO BusWheelchair accessible4:20 AM
  • Thompson Rd. S. / Childs Dr.Wheelchair accessible4:21 AM
  • Thompson Rd. S. / McCuaig Dr.Wheelchair accessible4:21 AM
  • Thompson Rd. S. / Laurier Ave.Wheelchair accessible4:21 AM
  • Derry Rd. / Thompson Rd. S.Wheelchair accessible4:22 AM
  • Derry Rd. / Thompson Rd. S.Not wheelchair accessible4:22 AM
  • Derry Rd. / Armstrong Blvd.Wheelchair accessible4:23 AM
  • Derry Rd. / Sauve St.Wheelchair accessible4:23 AM
  • Derry Rd. / Fourth LineWheelchair accessible4:23 AM
  • Derry Rd. / Trudeau Dr.Wheelchair accessible4:23 AM
  • Derry Rd. / James Snow Pkwy.Wheelchair accessible4:24 AM
  • Derry Rd. W. / Ninth LineWheelchair accessible4:30 AM
  • Derry Rd. W. / Lisgar Dr.Wheelchair accessible4:30 AM
  • Derry Rd. W. / Forest Park Dr.Wheelchair accessible4:32 AM
  • Derry Rd. W. / Tenth Line W.Wheelchair accessible4:32 AM
  • Derry Rd. W. / Danton PromenadeWheelchair accessible4:33 AM
  • Lisgar GO BusWheelchair accessible4:37 AM
  • Winston Churchill Blvd. / Vanderbilt Rd.Wheelchair accessible4:42 AM
  • Aquitaine Ave. / Meadowvale Town Centre CircleWheelchair accessible4:43 AM
  • Aquitaine Ave. / Glen Erin Dr.Wheelchair accessible4:44 AM
  • Aquitaine Ave. / Montevideo Rd.Wheelchair accessible4:46 AM
  • Aquitaine Ave. / Millcreek Dr.Wheelchair accessible4:48 AM
  • Meadowvale GO BusWheelchair accessible4:50 AM
  • Millcreek Dr. / Aquitaine Ave.Wheelchair accessible4:51 AM
  • Millcreek Dr. / Millrace Crt.Wheelchair accessible4:52 AM
  • Erin Mills Pkwy. / Millcreek Dr.Wheelchair accessible4:53 AM
  • Erin Mills Pkwy. / Battleford Rd.Wheelchair accessible4:54 AM
  • Erin Mills Pkwy. / Windwood Dr.Wheelchair accessible4:55 AM
  • Erin Mills Pkwy. / Britannia Rd. W.Wheelchair accessible4:56 AM
  • Erin Mills Pkwy. / Wickham Rd.Wheelchair accessible4:57 AM
  • Thomas St. / Erin Mills Pkwy.Wheelchair accessible4:58 AM
  • Streetsville GO BusWheelchair accessible5:01 AM
  • Streetsville GO Station Parking LotWheelchair accessible5:02 AM
  • Thomas St. / Highbank Rd.Wheelchair accessible5:04 AM
  • Erin Mills Pkwy. / Banfield Rd.Wheelchair accessible5:05 AM
  • Erin Mills Pkwy. / Erin Centre Blvd.Wheelchair accessible5:06 AM
  • Eglinton Ave. W. / Credit Valley Rd.Wheelchair accessible5:08 AM
  • Eglinton Ave. W. / Mississauga Rd.Wheelchair accessible5:10 AM
  • Creditview Rd. / Eglinton Ave.Wheelchair accessible5:12 AM
  • Erindale GO BusWheelchair accessible5:16 AM
  • Rathburn Rd. W. / Perivale Rd.Wheelchair accessible5:18 AM
  • Rathburn Rd. W. / Mavis Rd.Wheelchair accessible5:21 AM
  • Rathburn Rd. W. / Elora Dr.Wheelchair accessible5:21 AM
  • Rathburn Rd. W. / Elora Dr.Wheelchair accessible5:22 AM
  • Square OneWheelchair accessible5:25 AM
  • Cooksville GO BusWheelchair accessible5:35 AM
  • Union Station Bus TerminalWheelchair accessible6:05 AM
  • GO Transit Milton map

    GO Transit 21 bus route map

    The GO Transit 21 - Milton bus route map is shown above. The route map shows you an overview of all the stops served by the GO Transit 21 bus to help you plan your trip on GO Transit. Opening the app will allow you to see more detailed information about the route on a map including stop specific alerts, such as stops that have been closed or moved. You can also see the location of vehicles in real-time on the route map so you know when the 21 bus is approaching your stop.

    See the detailed route map

    GO Transit 21 bus Service Alerts

    Open the Transit app to see more information about any active disruptions that may impact the 21 bus schedule, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The Transit app also allows you to subscribe to receive notifications for any service alert issued by GO Transit so that you can plan your trip around any active or future disruptions.

    See all alerts

    GO Transit 21 bus Service Frequency

    The next 21 bus leaves Milton GO Bus at 4:20 AM, and arrives at Union Station Bus Terminal at 6:05 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

    See all departures

    GO Transit 21 bus On-Time Performance

    77 % on time

    77% of riders report that the GO Transit 21 bus arrived on time on their previous trip. In the past 30 days, 101 riders reported on the on-time performance of the 21 bus. Compared to other GO Transit lines, the 21 bus is ranked 17 out of 45 GO Transit lines. These on-time performance stats are user reported and may differ from official GO Transit metrics. See more details about on time, late or early departure reports for the 21 by opening the Transit app.

    See all on-time perfomance details

    GO Transit 21 bus FAQ

    Other GO Transit bus schedules, routes and maps

    Other transit modes in Toronto area

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