national express East Anglia (NXEA) railway punctuality

The following is an analysis of the punctuality of national express East Anglia railway services between Witham in Essex and London Liverpool Street station.

The statistics below represent my journeys taken between 24/07/2006 and 26/11/2008. I recorded the actual arrival times and these are then compared to the scheduled times in the national express East Anglia railway timetable.

Statistical summary

  Overall 13 week 4 week
Number of journeys 804 82 28
On time or early 374 21 5
1 to 4 minutes late 209 26 12
5 or more minutes late 221 35 11
on time (real) 46.5 % 25.6 % 17.9 %
on time (passengers charter) 72.5 % 57.3 % 60.7 %
Total lateness 53 hours 27 mins
(3207 min)
7 hours 24 mins
(444 min)
2 hours 46 mins
(166 min)
Mean minutes late per journey 3 min 59 sec 5 min 24 sec 5 min 55 sec

Disappointingly, of the 430 journeys that did not arrive on time, only 86 had (on-train, audible) announcements as to what was the cause of the lateness (20.0 % ).

Overall lateness

Graph of cumulative total minutes late against time Graph of individual minutes late against time Graph of moving 4 week average of minutes late against time

The total number of minutes late over 804 journeys was 3207 . The punctuality (as defined in the passengers' charter as percentage of trains arriving within five minutes of the advertised time) was 72.5 % (overall) or 60.7 % (last 4 weeks), to be compared with national express East Anglia railway's passengers' charter target of 88 %.

Distribution of arrival times

histogram of arrival times

Correspondence with national express East Anglia railway and delay-repay compensation

I decided to write to national express East Anglia once my total delays got to 8 hours. Further information is on the correspondence page

Updates

The updates have moved to their own page.

Links

Definitions (the small print)

The following definitions/rules were used:-