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Railwatch
Train 2171
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Train number
Track
Active
Updated 4 min ago
Acela
En route from NHV to STM
BOS
WAS
Speed
68 mph
Heading
SW
Next stop
STM
Stops
5/12
Route Progress
45%
BOS
Boston
WAS
Washington
Last Signal
8/3/2026 5:33:11 PM
Signal Age
Signal 6 min ago
Latitude
41.21943
Longitude
-73.06496
Data Updated
8/3/2026, 9:35 PM UTC
Delay Trend
4 min early
Holding steady
4 min early
10 min late
on time
5 min early
STM
9:20 PM
9:35 PM
Data Quality
4 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
3:10 PM
15:10
on time
BBY
Boston, Boston
1 MI LATE
Confirmed
Actual stop event received
15:14
15:17
1 min early
RTE
Route 128 Amtrak Station, Westwood
2 MI LATE
Confirmed
Actual stop event received
15:24
15:27
on time
PVD
Providence, Providence
2 MI LATE
Confirmed
Actual stop event received
15:46
15:50
on time
NHV
New Haven, New Haven
ON TIME
Confirmed
Actual stop event received
17:17
17:24
5 min early
STM
Stamford Amtrak Station, Stamford
04 MI EARLY
High
Estimate has been stable
18:08
18:14
4 min early
NYP
Ny Moynihan Train Hall At Penn Station, New York
ON TIME
Medium
Fresh estimate, limited history
19:08
19:18
on time
NWK
Newark, Newark
ON TIME
Medium
Fresh estimate, limited history
19:33
19:35
on time
PHL
Philadelphia, Philadelphia
ON TIME
Medium
Fresh estimate, limited history
20:29
20:31
on time
WIL
Wilmington, Wilmington
ON TIME
Medium
Fresh estimate, limited history
20:52
20:53
on time
BAL
Baltimore Penn Station, Baltimore
ON TIME
Medium
Fresh estimate, limited history
21:38
21:40
on time
WAS
Washington Union Station, Washington
06 MI EARLY
Medium
Fresh estimate, limited history
22:10
10:16 PM
6 min early