Share this: Facebook Twitter LinkedIn SFMTA.com/18113 21 to Fulton & 8th Ave 2, 24 min 21 Hayes arrives in 2 minutes. Predictions valid as of 3:01:18 AM 6/1/2025 min Arriving Prediction Unavailable Stop closed — no service Predictions valid as of Predictions unavailable for any route as of Route & Arrival Details 21 Hayes 5 a.m. - 10 p.m. daily Destination Predicted Arrivals Fulton & 8th Ave 2, 24 min Live Map