Muni bus route
Cyril Magnin St & Market St – Cabrillo St & La Playa St
5am-10pm daily
No active alerts posted 48 stops
No alerts are currently posted for the 31 Balboa bus.
Alerts as published by BART and SFMTA. Data may not be real time. Muni data provided by 511.org. All lines.
Route shape from published schedule data; map © OpenMapTiles © OpenStreetMap contributors.
| Weekday | Sat | Sun | |
|---|---|---|---|
| First / last | 4:34 AM 10:00 PM | 4:34 AM 10:00 PM | 4:34 AM 10:00 PM |
| Morning rush (6–10 AM) | every ~20 min | every ~20 min | every ~20 min |
| Midday (10 AM–4 PM) | every ~20 min | every ~20 min | every ~20 min |
| Evening rush (4–8 PM) | every ~20 min | every ~20 min | every ~20 min |
| Evening (8 PM–midnight) | every ~34 min | every ~34 min | every ~34 min |
| Late night (midnight–6 AM) | every ~60 min | every ~60 min | every ~60 min |
| Trips per day | 55 | 55 | 55 |
| End-to-end time | 43 min | 40 min | 40 min |
| Weekday | Sat | Sun | |
|---|---|---|---|
| First / last | 5:00 AM 10:40 PM | 5:00 AM 10:40 PM | 5:00 AM 10:40 PM |
| Morning rush (6–10 AM) | every ~20 min | every ~20 min | every ~20 min |
| Midday (10 AM–4 PM) | every ~20 min | every ~20 min | every ~20 min |
| Evening rush (4–8 PM) | every ~20 min | every ~20 min | every ~20 min |
| Evening (8 PM–midnight) | every ~24 min | every ~24 min | every ~24 min |
| Late night (midnight–6 AM) | every ~120 min | every ~120 min | every ~120 min |
| Trips per day | 55 | 55 | 55 |
| End-to-end time | 43 min | 41 min | 41 min |
Average interval from the published schedule for reference dates Oct 20, 2026, Oct 17, 2026, Oct 18, 2026; planned work and holidays can change service. “—” = fewer than two trips in that period. Schedule data updated Oct 17, 2026, 3:41 PM CT.
Muni buses have a flat fare. Current prices and payment options are on our fares & Clipper page.