Boston / Bus
MBTA 91 first and last departure times
Sullivan Square Station - Central Square, Cambridge · America/New_York
Selected branch: Sullivan · 14 stops. Service day: Saturday, October 24, 2026.
First and last published boarding times
Saturday, October 24, 2026 · Sullivan. These are supplied times for this branch. Stops or trips with omitted times cannot establish complete first/last bounds. Drop-off-only visits are excluded. A frequency window’s end is labeled separately and is not an exact last departure.
| Boarding stop | First departure | Last departure / window end | Service notes |
|---|---|---|---|
| River St @ Green StVisit 1 · 1059 | 5:40 AM | 1:35 AM +1 day | 27 scheduled departures |
| Prospect St @ Bishop Allen DrVisit 2 · 2446 | 5:40 AM | 1:35 AM +1 day | 27 scheduled departures |
| Prospect St @ Harvard StVisit 3 · 2447 | 5:40 AM | 1:36 AM +1 day | 27 scheduled departures |
| Prospect St @ BroadwayVisit 4 · 2448 | 5:41 AM | 1:36 AM +1 day | 27 scheduled departures |
| Prospect St @ Gardner RdVisit 5 · 2449 | 5:41 AM | 1:36 AM +1 day | 27 scheduled departures |
| Prospect St @ Cambridge StVisit 6 · 12451 | 5:41 AM | 1:37 AM +1 day | 27 scheduled departures |
| Prospect St @ Webster AveVisit 7 · 12530 | 5:42 AM | 1:39 AM +1 day | 27 scheduled departures |
| Prospect St @ Union Sq - Green LineVisit 8 · 2531 | 5:43 AM | 1:40 AM +1 day | 27 scheduled departures |
| Washington St @ Rossmore StVisit 9 · 2774 | 5:44 AM | 1:41 AM +1 day | 27 scheduled departures |
| Washington St @ New Washington StVisit 10 · 2776 | 5:46 AM | 1:42 AM +1 day | 27 scheduled departures |
| Washington St opp Myrtle StVisit 11 · 2778 | 5:47 AM | 1:43 AM +1 day | 27 scheduled departures |
| Washington St @ Inner Belt RdVisit 12 · 2777 | 5:48 AM | 1:44 AM +1 day | 27 scheduled departures |
| Cambridge St @ Carter StVisit 13 · 2779 | 5:49 AM | 1:44 AM +1 day | 27 scheduled departures |
Times after midnight belong to the service date above. These route limits do not establish the last viable connecting journey. Check connection times separately, or use a reviewed airport guide for a direct airport journey.
First and last times on other branches
All other published stopping patterns for the same service date. Open a branch to compare its stop-by-stop boarding limits.
Central Square · 17 stops · Pattern 15f37aeeda939fefb5e05dbf
| Boarding stop / visit | First | Last departure / window end |
|---|---|---|
| Sullivan SquareVisit 1 · 29006 | 5:21 AM | 1:15 AM +1 day |
| Cambridge St @ Brighton StVisit 2 · 2757 | 5:21 AM | 1:16 AM +1 day |
| Washington St @ Mt Vernon StVisit 3 · 2759 | 5:22 AM | 1:16 AM +1 day |
| Washington St @ Myrtle St - Cobble Hill AptVisit 4 · 12759 | 5:22 AM | 1:17 AM +1 day |
| Washington St @ Tufts StVisit 5 · 2761 | 5:22 AM | 1:17 AM +1 day |
| Washington St @ McGrath HwyVisit 6 · 2762 | 5:22 AM | 1:18 AM +1 day |
| Washington St @ Boston StVisit 7 · 2763 | 5:23 AM | 1:18 AM +1 day |
| Somerville Ave @ Union SqVisit 8 · 2612 | 5:23 AM | 1:19 AM +1 day |
| 25 Webster Ave @ Newton StVisit 9 · 2512 | 5:24 AM | 1:20 AM +1 day |
| Prospect St @ Oak StVisit 10 · 12512 | 5:25 AM | 1:21 AM +1 day |
| Prospect St @ Cambridge StVisit 11 · 12439 | 5:27 AM | 1:23 AM +1 day |
| Prospect St @ St Mary RdVisit 12 · 2440 | 5:30 AM | 1:25 AM +1 day |
| Prospect St @ BroadwayVisit 13 · 2441 | 5:31 AM | 1:26 AM +1 day |
| Prospect St @ Harvard StVisit 14 · 2442 | 5:32 AM | 1:27 AM +1 day |
| Prospect St @ Bishop Allen DrVisit 15 · 2443 | 5:34 AM | 1:29 AM +1 day |
| Western Ave @ Green StVisit 16 · 2444 | 5:36 AM | 1:30 AM +1 day |
More MBTA travel information
Imported Oct 23, 2026 · 19:06 UTC · Service dates 2026-10-14 through 2026-12-12. See data status
Schedule and realtime data provided by MassDOT / MBTA. Source details ↗