Bus line
Westchester Sq - Mott Haven · via Morris Park Av / Boston Rd
No active alerts posted 34 stops
No alerts are currently posted for the Bx21 bus.
From MTA service alert feeds. Data may not be real time. All lines.
Route shape from GTFS data; map data © OpenStreetMap contributors.
| Weekday | Sat | Sun | |
|---|---|---|---|
| First / last | 24 hours | 24 hours | 24 hours |
| Morning rush (6–10 AM) | every ~7 min | every ~13 min | every ~22 min |
| Midday (10 AM–4 PM) | every ~9 min | every ~12 min | every ~14 min |
| Evening rush (4–8 PM) | every ~10 min | every ~13 min | every ~15 min |
| Evening (8 PM–midnight) | every ~18 min | every ~17 min | every ~22 min |
| Late night (midnight–6 AM) | every ~20 min | every ~28 min | every ~36 min |
| Trips per day | 131 | 96 | 74 |
| End-to-end time | 1 hr 8 min | 53 min | 50 min |
| Weekday | Sat | Sun | |
|---|---|---|---|
| First / last | 1:00 AM 12:30 AM | 1:00 AM 12:30 AM | 1:00 AM 12:20 AM |
| Morning rush (6–10 AM) | every ~8 min | every ~14 min | every ~27 min |
| Midday (10 AM–4 PM) | every ~9 min | every ~12 min | every ~15 min |
| Evening rush (4–8 PM) | every ~8 min | every ~12 min | every ~13 min |
| Evening (8 PM–midnight) | every ~16 min | every ~15 min | every ~20 min |
| Late night (midnight–6 AM) | every ~36 min | every ~40 min | every ~40 min |
| Trips per day | 129 | 92 | 72 |
| End-to-end time | 59 min | 51 min | 47 min |
Average interval from the published schedule for reference dates Oct 20, 2026, Oct 17, 2026, Oct 18, 2026; planned work can change service. “—” = fewer than two trips in that period.
$3.00 per ride for most riders on subways and local, limited and Select Bus Service buses (source: mta.info/fares-tolls, checked Oct 11, 2026).