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The table below lists all train services departing London St Pancras International (d STP) and arriving in Harpenden (a HPD) for the specified time period. Also shown is the percentage of the time that each service arrived in Harpenden no more than 2 minutes late, as well as the average arrival time of each service in Harpenden. To see actual times click here.

TOC     Scheduled Times     % Arrivals     Likely    Actual Arrival
d STP a HPD Dur RT-2m late     Worst Exp.        Average
TL 15:18 16:00 42m 100% 16:00 RT 16:00 RT
TL 15:36 16:01 25m 80% 16:03 2L 16:03 2L
TL 15:36 16:03 27m 75% 16:04 1½L 16:04 1L
TL 15:36 16:06 30m 100% 16:06 RT 16:06 RT
TL 15:51 16:17 26m 69% 16:21 4L 16:20 3L
TL 15:43 16:21 38m 47% 16:27 6L 16:25 4L
TL 15:51 16:25 34m 100% 16:25 RT 16:25 RT
TL 15:48 16:27 39m 75% 16:28 1½L 16:28 1½L
TL 16:06 16:31 25m 80% 16:33 2½L 16:33 2½L
TL 16:06 16:35 29m 33% 16:39 4L 16:38 3L
TL 16:21 16:47 26m 59% 16:53 6L 16:50 3½L
TL 16:21 16:48 27m 0% 16:54 6L 16:54 6L
TL 16:13 16:51 38m 59% 16:56 5½L 16:54 3½L
TL 16:18 16:57 39m 75% 16:58 1L 16:58 1L
TL 16:18 17:00 42m 100% 17:00 RT 17:00 RT
TL 16:36 17:01 25m 57% CANC/NR 17:05 4L
TL 16:36 17:03 27m 40% 17:12 9L 17:08 5L
TL 16:36 17:06 30m 67% 17:08 2½L 17:08 2L
TL 16:51 17:17 26m 59% 17:26 9½L 17:21 4½L
TL 16:43 17:21 38m 52% 17:27 6L 17:24 3½L
TL 16:51 17:25 34m 100% 17:25 RT 17:25 RT
TL 16:48 17:27 39m 75% 17:29 2L 17:28 1½L
TL 17:06 17:31 25m 65% 17:42 11L 17:35 4L
TL 17:06 17:35 29m 67% 17:37 2L 17:37 2L
TL 17:21 17:47 26m 66% 17:53 6L 17:51 4L
TL 17:22 17:47 25m 50% 18:04 17L 18:01 14½L
TL 17:21 17:48 27m 0% 17:52 4L 17:52 4L
TL 17:13 17:51 38m 44% 17:59 8½L 17:57 6L
TL 17:18 17:57 39m 50% 18:00 3L 17:59 2L
TL 17:18 18:00 42m 100% 18:00 RT 18:00 RT
TL 17:36 18:00 24m 54% 18:07 7L 18:04 4½L
TL 17:36 18:01 25m 56% CANC/NR 18:06 5L
TL 17:36 18:03 27m 50% 18:05 2½L 18:05 2½L
TL 17:36 18:06 30m 100% 18:06 RT 18:06 RT
TL 17:41 18:06 25m 30% 18:16 10L 18:13 7L
TL 17:51 18:15 24m 52% 18:24 9½L 18:21 6½L
TL 17:51 18:17 26m 75% 18:20 3½L 18:20 3L
TL 17:43 18:19 36m 16% 18:29 10L 18:27 8L
TL 17:43 18:21 38m 60% 18:26 5L 18:24 3L
TL 17:51 18:25 34m 67% 18:35 10½L 18:34 9L
TL 17:48 18:27 39m 75% 18:28 1½L 18:28 1L
TL 17:56 18:27 31m 62% 18:35 8½L 18:31 4½L
TL 18:06 18:31 25m 60% 18:42 11L 18:36 5½L
TL 18:06 18:35 29m 33% CANC/NR 18:42 7L
TL 18:11 18:36 25m 25% 18:49 13½L 18:44 8½L
TL 18:21 18:47 26m 72% 18:51 4½L 18:51 4L
TL 18:21 18:48 27m 50% 18:52 4L 18:51 3½L
TL 18:13 18:51 38m 48% 19:06 15½L 18:57 6½L
TL 18:18 18:57 39m 100% 18:58 1L 18:57 ½L
TL 18:18 19:00 42m 100% 19:00 ½L 19:00 ½L
TL 18:36 19:01 25m 63% 19:12 11L 19:06 5½L
TL 18:36 19:03 27m 50% 19:14 11L 19:11 8½L
TL 18:36 19:06 30m 67% 19:09 3½L 19:09 3L
TL 18:28 19:09 41m 53% 19:17 8L 19:13 4½L
TL 18:51 19:17 26m 65% 19:24 7L 19:23 6L
TL 18:43 19:21 38m 40% CANC/NR 19:26 5½L
TL 18:51 19:25 34m 100% 19:25 RT 19:25 RT
TL 18:43 19:27 44m 75% 19:33 6L 19:30 3L
TL 18:48 19:27 39m 75% 19:28 1½L 19:28 1L
TL 19:06 19:31 25m 67% 19:36 5L 19:34 3L
TL 19:06 19:33 27m 37% 19:42 9½L 19:39 6L
TL 19:06 19:35 29m 33% 19:53 18½L 19:50 15L
TL 19:21 19:45 24m 62% 19:51 6L 19:49 4½L
TL 19:21 19:47 26m 50% 19:54 7L 19:51 4L
TL 19:21 19:48 27m 0% 19:59 11L 19:58 10½L
TL 19:26 19:51 25m 50% 19:58 7L 19:55 4L
TL 19:18 19:57 39m 80% 20:07 10L 20:04 7½L

Show Explanation Show TOC and Timings Keys


Data Completeness

Data for this time period is approximately 98% complete.

Data is missing for approximately 8 hours out of the 340 hours in the time period being searched.

Data is missing due to the following outages in the time period of this search:

Summary

2073 services have been found, of which 0 services have been discarded due to incomplete data.

Grouping has resulted in 198 schedules, of which 131 schedules (= 153 services) have been hidden as specified in the search criteria.

The remaining 67 schedules (= 1920 services) are displayed above.

Data reflects train services up to:  14:34 on Sat 12 Jul 2025.

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Data Source and Validity

The information shown on Recent Train Times is sourced from Network Rail via their Open Data Feeds, augmented with additional data sourced from the Rail Delivery Group via their Darwin system.

Recent Train Times is not part of Network Rail or the Rail Delivery Group and is not an official rail industry body. Nor is Recent Train Times a source of official rail performance information / statistics.

For official rail performance information, please see Office of Rail Regulation, Network Rail, UK National Statistics and Gov.uk.