Share this: Facebook Twitter LinkedIn SFMTA.com/13037 31 to Downtown 14, 33 min Predictions valid as of 4:21:11 PM 4/5/2025 min Arriving Prediction Unavailable Stop closed — no service Predictions valid as of Predictions unavailable for any route as of Route & Arrival Details 31 Balboa 5 a.m. to 10 p.m. daily Destination Predicted Arrivals Caltrain Prediction Unavailable Downtown 14, 33 min Masonic + Turk Prediction Unavailable 31BX Balboa B Express (Suspended) Live Map