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SF Bay AreaAC Transit

AC Transit 31 bus

Skyline Boulevard-Fruitvale-Bay Farm

66 % on time

AC Transit 31 bus Stop List and Next Departures

The AC Transit 31 - Skyline Boulevard-Fruitvale-Bay Farm bus serves 58 bus stops in the SF Bay Area area departing from Mecartney Road / Auburn Dr and ending at Chabot Space / Science Center. Scroll down to see upcoming 31 bus times at each stop and the next scheduled 31 bus times will be displayed. The full 31 bus schedule as well as real-time departures can be found in the Transit app.

Chabot Space / Science Center
Bay Farm Island
See more departures
Stops
Tue, May 5, 2026
AC Transit Skyline Boulevard-Fruitvale-Bay Farm map

AC Transit 31 bus route map

The AC Transit 31 - Skyline Boulevard-Fruitvale-Bay Farm bus route map is shown above. The route map shows you an overview of all the stops served by the AC Transit 31 bus to help you plan your trip on AC 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 31 bus is approaching your stop.

See the detailed route map

AC Transit 31 bus Service Alerts

Open the Transit app to see more information about any active disruptions that may impact the 31 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 AC Transit so that you can plan your trip around any active or future disruptions.

See all alerts

AC Transit 31 bus Service Frequency

The next 31 bus leaves Mecartney Road / Auburn Dr at 9:20 AM, and arrives at Chabot Space / Science Center at 10:21 AM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

See all departures

AC Transit 31 bus On-Time Performance

66 % on time

66% of riders report that the AC Transit 31 bus arrived on time on their previous trip. In the past 30 days, 20 riders reported on the on-time performance of the 31 bus. Compared to other AC Transit lines, the 31 bus is ranked 39 out of 76 AC Transit lines. These on-time performance stats are user reported and may differ from official AC Transit metrics. See more details about on time, late or early departure reports for the 31 by opening the Transit app.

See all on-time performance details

AC Transit 31 bus FAQ

  • What time does the next AC Transit 31 bus depart from Mecartney Road / Auburn Dr?

    The next 31 bus leaves Mecartney Road / Auburn Dr at 9:20 AM, and arrives at Chabot Space / Science Center at 10:21 AM. The total trip time for the next AC Transit 31 bus is 61 min.

  • Is the AC Transit 31 bus running on time, early or late?

    You can track your bus on a map, monitor real-time updates, and see adjustments to the AC Transit 31 schedule by downloading the Transit app.

  • When does the next AC Transit 31 bus arrive?

    You can see the next AC Transit 31 bus times in the app as well as future departure times for the 31 bus.

  • How many bus stops are there for the AC Transit 31 bus?

    There are 58 stops on the AC Transit 31 bus.

  • Is the AC Transit 31 bus usually crowded?

    You can find real-time information on AC Transit 31 bus crowding levels in the Transit app (available in select cities or on select trips). You can also see predictions on how crowded the bus will be when it gets to your bus stop.

  • Is the AC Transit 31 bus currently running?

    Find out the current status for the AC Transit 31 bus in the Transit app.

  • What is the closest AC Transit 31 bus stop to me?

    Open the Transit app to see your location on a map and find the closest 31 bus stop to where you are.

Other AC Transit bus schedules, routes and maps

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