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Railwatch
Train 2151
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Train number
Track
Active
Updated 3 min ago
Acela
En route from NHV to STM
BOS
WAS
Speed
74 mph
Heading
SW
Next stop
STM
Stops
5/12
Route Progress
45%
BOS
Boston
WAS
Washington
Last Signal
8/3/2026 7:33:09 AM
Signal Age
Signal 5 min ago
Latitude
41.14549
Longitude
-73.25285
Data Updated
8/3/2026, 11:35 AM UTC
Delay Trend
3 min late
Lost 3 min
3 min late
10 min late
on time
5 min early
STM
11:10 AM
11:35 AM
Data Quality
6 snapshots
Live feed looks healthy
Recent ingest and train signal are fresh enough for the current estimates.
Trip Timeline
12 stops
BOS
Boston, Boston
ON TIME
Confirmed
Actual stop event received
5:00 AM
05:00
on time
BBY
Boston, Boston
2 MI LATE
Confirmed
Actual stop event received
05:04
05:07
on time
RTE
Route 128 Amtrak Station, Westwood
1 MI LATE
Confirmed
Actual stop event received
05:14
05:15
1 min late
PVD
Providence, Providence
3 MI LATE
Confirmed
Actual stop event received
05:36
05:39
2 min late
NHV
New Haven, New Haven
2 MI LATE
Confirmed
Actual stop event received
07:08
07:09
3 min late
STM
Stamford Amtrak Station, Stamford
03 MI LATE
High
Estimate has been stable
07:54
07:56
3 min late
NYP
Ny Moynihan Train Hall At Penn Station, New York
10 MI EARLY
Medium
Fresh estimate, limited history
08:41
09:00
10 min early
NWK
Newark, Newark
ON TIME
Medium
Fresh estimate, limited history
09:13
09:15
on time
PHL
Philadelphia, Philadelphia
ON TIME
Medium
Fresh estimate, limited history
10:08
10:10
on time
BAL
Baltimore Penn Station, Baltimore
ON TIME
Medium
Fresh estimate, limited history
11:19
11:20
on time
BWI
Bwi Thurgood Marshall Airport Station, Baltimore
ON TIME
Medium
Fresh estimate, limited history
11:32
11:33
on time
WAS
Washington Union Station, Washington
05 MI EARLY
Medium
Fresh estimate, limited history
11:54
11:59 AM
5 min early