Kendall Square to Porter Square
How to get from Kendall Square to Porter Square on public transit, with the stops, times and the last trip of the night.
Kendall Square to Porter Square
- Red Line
- Take the Red LineFrom Kendall/MIT, toward Alewife3 stops, about 9 min
- Get off at PorterThe stop after Harvard
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Take the Red Line toward Alewife to Porter. The trip takes about 11 minutes. On weekdays the Red Line runs every 5 min during the day.
Get the live route from Kendall to Porter
Step by step
- At Kendall/MIT, take the Red Line toward Alewife.
- Ride 3 stops, about 9 min, through Central and Harvard, and get off at Porter.
Times and frequency
| Day | First trip | Last trip | How often (daytime) | Trip time |
|---|---|---|---|---|
| Monday-Thursday | 5:37 am | 1:03 am | Every 5 min | About 11 min |
| Friday | 5:37 am | 1:50 am | Every 5 min | About 11 min |
| Saturday | 5:36 am | 1:51 am | Every 6 min | About 11 min |
| Sunday | 6:21 am | 12:55 am | Every 6 min | About 11 min |
First and last trip are when the first train of the trip leaves Kendall/MIT, on the fall 2026 schedule. "How often" is for the Red Line.
Late at night
On weekdays, the last trip that works leaves Kendall/MIT at 1:03 am and gets to Porter Square around 1:22 am, using bus 64 and bus 83. On Friday nights it runs later: the last trip leaves at 1:50 am. On Saturday nights the last trip leaves at 1:51 am, and on Sunday nights at 12:55 am. Late at night, ask Cobblehop for the last trip. It checks live times and tells you when to leave.
Tips for this trip
- Know your stop. Get to the door after Harvard. The next stop is Porter. Start a live trip in Cobblehop and it alerts you before your stop.
- Porter Square has a Red Line station and a Commuter Rail stop on the Fitchburg Line.
- Kendall/MIT station is on Main Street in Kendall Square, at the east end of MIT.
Step-free access
MBTA data lists every station on this route (Kendall/MIT and Porter) as accessible. Porter has 5 elevators in MBTA data. Elevators do break, so check the MBTA's elevator alerts before you go.
What it costs
- Subway. $2.40 one way.
- How to pay. Tap a contactless credit or debit card, phone or watch at the fare gate or bus door, or use a CharlieCard or CharlieTicket.
- Kids. Children 11 and under ride the MBTA free.
Fares as of October 2026. Check the MBTA's fares page before you ride.
Kendall Square to Porter Square: common questions
How do I get from Kendall Square to Porter Square by public transit?
Take the Red Line toward Alewife to Porter. The trip takes about 11 minutes.
How long does it take to get from Kendall Square to Porter Square?
About 11 minutes on the main route.
Do I have to change trains?
No. The Red Line goes all the way, so it's one ride.
How often does the Red Line run?
Every 5 min on weekdays during the day, every 6 min on Saturdays and every 6 min on Sundays, on the fall 2026 schedule.
What time is the last train from Kendall Square to Porter Square?
On weekdays, the last trip that works leaves Kendall/MIT at 1:03 am and gets to Porter Square around 1:22 am, using bus 64 and bus 83. On Friday nights it runs later: the last trip leaves at 1:50 am. On Saturday nights the last trip leaves at 1:51 am, and on Sunday nights at 12:55 am.
Related routes
- Kendall Square to Harvard Museum of Natural History
- Kendall Square to Longfellow House
- Back Bay Station to Porter Square
- Boston Common to Porter Square
- Never miss your stop (guide)
More routes from Kendall Square
- Kendall Square to Harvard Art Museums
- Kendall Square to Tufts University
- Kendall Square to Cambridge Hospital
- Kendall Square to Mount Auburn Hospital
- Kendall Square to Harvard Stadium
- All routes from Kendall Square
Official sources
Cobblehop is independent and isn't affiliated with these agencies or operators. Schedules on this page come from MBTA/MassDOT public data. Check their pages for the latest schedules and service changes:
- MBTA: Red Line
- MBTA: Kendall/MIT station
- MBTA: Porter station
- MBTA: fares
- MBTA: elevator and accessibility alerts
Published October 30, 2026. Times were computed from the fall 2026 MBTA schedule (2026-11-04 for weekdays). Service changes, so check Cobblehop for live times before you go.
Leaving now? Cobblehop gives you one clear plan with live times and alerts you before your stop. No sign-up, nothing to install.