Chelsea Station – South Station
Bus rapid transit · Route SL3
South Station ↔ Chelsea
Stops, live buses and next arrivals
4 service alertsCourthouse Escalator 415 (Airport/Design Center platform to lobby) unavailable due to ongoing construction at the station.- Bunched · 3 min apart · to South Station
- Not tracked · to South Station
- South Station30 minthen 32 min
- Courthouse33 minthen 35 min
- World Trade Center35 minthen 37 min
- Silver Line Way1 minthen 11 min 1303 · 2 min early1311 · 4 min early
- Airport10 minthen 20 min
- Eastern Avenue4 minthen 15 min 1306 · On time
- Box District6 minthen 17 min
- Bellingham Square7 minthen 18 min
- ChelseaNo more buses
- Chelsea1 minthen 14 min 1325 · On time
- Bellingham Square1 minthen 3 min 1327 · 10 min late
- Box District2 minthen 4 min
- Eastern Avenue4 minthen 6 min
- Airport10 minthen 10 min
- Congress St @ World Trade Center Sta18 minthen 20 min
- Silver Line Way21 minthen 23 min
- Summer St @ Atlantic AveNo more buses
- World Trade Center3 minNot trackedthen 25 min
- Courthouse4 minNot trackedthen 26 min
- South StationNo more buses
Timetable
Scheduled departures for any day MBTA has published. For live arrivals, use the diagram above.
Sunday schedule Sun, Nov 1
Still to come from last night's schedule:
On-time performance
How much of the time buses ran early, on time or late, hour by hour.
39% on time today
from 1,039 vehicle-minutes
- On time
- Late (over 5 min)
- Early (over 1 min)
- Fewer than 30 vehicle-minutes
Hour-by-hour numbers
| Hour | On time | Late | Early | Vehicle-minutes | Previous 0 days, on time |
|---|---|---|---|---|---|
| 6 PM | 39% | 4% | 57% | 95 | – |
| 7 PM | 36% | 0% | 64% | 325 | – |
| 8 PM | 45% | 0% | 54% | 250 | – |
| 9 PM | 43% | 4% | 54% | 256 | – |
| 10 PM | 28% | 19% | 52% | 113 | – |
Connections
Rail lines and bus routes you can transfer to from the Chelsea Station – South Station.
Rail
Transfer at South Station
CR Fairmount LineTransfer at South Station
CR Fall River/New Bedford LineTransfer at South Station
CR Framingham/Worcester LineTransfer at South Station
CR Franklin/Foxboro LineTransfer at South Station
CR Greenbush LineTransfer at South Station
CR Kingston LineTransfer at South Station
CR Needham LineTransfer at South Station
CR Providence/Stoughton LineTransfer at South Station
CR Foxboro Event ServiceTransfer at South Station
Blue Blue LineTransfer at Airport
CR Newburyport/Rockport LineTransfer at Chelsea
Bus
- SL1Logan Airport Terminals – South StationAt South Station and 5 more stops
- SL2Design Center – South StationAt South Station and 5 more stops
- SLWSilver Line Way – South StationAt South Station and 5 more stops
- 4North Station – Design CenterAt South Station and 2 more stops
- 104Malden Center Station – Airport StationAt Airport and 2 more stops
- 112Wellington Station – Wood Island StationAt Chelsea and 2 more stops
- 7City Point – Otis Street & Summer StreetAt South Station and 1 more stops
- 11City Point – Chauncy Street & Summer StreetAt South Station and 1 more stops
- Commuter Rail ShuttleBraintree – South Station (Express)At South Station and 1 more stops
- Fairmount Line ShuttleReadville – South StationAt South Station and 1 more stops
And 10 more routes at stops along the way. Franklin Line ShuttleForge Park/495 – WalpoleKingston Line ShuttleSouth Weymouth – South StationRed Line ShuttleQuincy Center – Broadway (Express)Worcester Line ShuttleBoston Landing – South Station (Express)171Logan Airport Terminals – Nubian StationBlue Line ShuttleWonderland – Suffolk DownsSL4Nubian Station – South Station111Woodlawn – Haymarket Station114Market Basket – Maverick StationNewburyport/Rockport Line ShuttleSwampscott – North Station (Limited)
About the Chelsea Station – South Station
The Chelsea Station – South Station (SL3, MBTA route SL3) is a bus rapid transit line with 9 stops between South Station and Chelsea.
Times with the live mark come from each bus's GPS and MBTA's real-time predictions. Times marked "Not tracked" are scheduled trips with no bus reporting. All other times are from MBTA's published schedule (feed Fall 2026, 2026-10-30T17:51:33+00:00, version D).
How often does the Chelsea Station – South Station run?
Every 13 min for most of the day on weekdays, based on the published schedule.
When does the Chelsea Station – South Station start and stop?
The first bus leaves around 5:52 AM and the last arrives around 1:50 AM.
Where does the Chelsea Station – South Station connect with Subway or Commuter Rail?
At South Station (Red Line, Fairmount Line, Fall River/New Bedford Line, Framingham/Worcester Line, Franklin/Foxboro Line, Greenbush Line, Kingston Line, Needham Line, Providence/Stoughton Line, Foxboro Event Service); Airport (Blue Line); Chelsea (Newburyport/Rockport Line).
What are timepoints?
Timepoints are stops where the bus is scheduled to wait if it's running early; times at the stops between them are estimates. On long routes, the diagram shows timepoints, transfer stops and stops with a bus nearby, and groups the stops in between.