King County Metro 121 bus Stop List and Next Departures
The King County Metro 121 - Burien Transit Center - Seattle bus serves 14 bus stops in the Seattle area departing from Burien Transit Center / Bay 5 and ending at 3rd Ave / Bell St. Scroll down to see upcoming 121 bus times at each stop and the next scheduled 121 bus times will be displayed. The full 121 bus schedule as well as real-time departures can be found in the Transit app.
- Burien Transit Center / Bay 55:51 PM
- SR 509 / S 128th St5:56 PM
- East Marginal Way S / S Lucile St6:08 PM
- East Marginal Way S / S Hudson St6:09 PM
- East Marginal Way S / S Alaska St6:09 PM
- East Marginal Way S / Diagonal Ave S6:10 PM
- East Marginal Way S / S Idaho St6:10 PM
- Alaskan Way S / S Jackson St6:17 PM
- Alaskan Way / Columbia St6:17 PM
- 3rd Ave / Madison St6:18 PM
- 3rd Ave / Union St6:21 PM
- 3rd Ave / Pine St6:23 PM
- 3rd Ave / Virginia St6:24 PM
- 3rd Ave / Bell St6:26 PM
King County Metro 121 bus route map
The King County Metro 121 - Burien Transit Center - Seattle bus route map is shown above. The route map shows you an overview of all the stops served by the King County Metro 121 bus to help you plan your trip on King County Metro. 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 121 bus is approaching your stop.
See the detailed route mapKing County Metro 121 bus Service Alerts
Open the Transit app to see more information about any active disruptions that may impact the 121 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 King County Metro so that you can plan your trip around any active or future disruptions.
See all alertsKing County Metro 121 bus Service Frequency
Trips every 40 minThe next 121 bus leaves Burien Transit Center / Bay 5 at 5:51 PM, and arrives at 3rd Ave / Bell St at 6:26 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.
See all departuresKing County Metro 121 bus On-Time Performance
75% on time75% of riders report that the King County Metro 121 bus arrived on time on their previous trip. In the past 30 days, 6 riders reported on the on-time performance of the 121 bus. Compared to other King County Metro lines, the 121 bus is ranked 25 out of 132 King County Metro lines. These on-time performance stats are user-reported and may differ from official King County Metro metrics. See more details about on time, late or early departure reports for the 121 by opening the Transit app.
See all on-time performance details
