Share this: Facebook Twitter LinkedIn SFMTA.com/13961 43 to Fort Mason 4, 16 min 43 Masonic arrives in 4 minutes. Predictions valid as of 3:16:23 PM 3/28/2025 min Arriving Prediction Unavailable Stop closed — no service Predictions valid as of Predictions unavailable for any route as of Route & Arrival Details 43 Masonic 5 a.m. - 12 a.m. daily Destination Predicted Arrivals Fort Mason 4, 16 min Live Map