Punctuality on the railways reached 92% during Period 5, according to monthly performance data released today by Network Rail. The data for Britain’s train services covers the period from 22 July 2012 - 18 August 2012. This compares to 92.3% for the same period last year. The moving annual average is now at 91.6%.

Franchise                 Punctuality % Punctuality % Moving Annual
                          P5, 2012/13       P5, 2011/12       Average (MAA) %
Arriva Trains Wales                 86.2     92.3       93.7
c2c Rail                                 97.4     97.1       97.1
Chiltern                                 93.9     93.2       93
Crosscountry                       88.1     91.5       88.7
East Coast                           89.1     89.4       86.9
East Midlands Trains                 93.2     94.4       93.2
First Capital Connect                 91.1     92.3       89.5
First Great Western                 87.4     91.4       90.4
First Scotrail                           94.7     91.1       91.7
First Transpennine Express           93.5     93.5       93.1
Greater Anglia                       91.9     91.6       91.2
London Midland                       89.7     93       89.7
London Overground                 97.1     96.2       96.5
Merseyrail                           96.7     95.7       95.3
Northern Rail                       91.5     92.4       91.7
Southeastern                       94           93.4       91.7
Southern                           90.3     89       89.7
South West Trains                 92.9     93.6       92
Virgin Trains                           88.9     89.1       85.5

National                                 92           92.3           91.6

Arriva Trains Wales services were impacted during the month by a landslip that affected services on the busy Cardiff Valley Lines.
Arrived on time - the measure of train punctuality also known as PPM (public performance measure) means trains arriving at their destinations within five minutes for commuter services and within 10 minutes for long distance services.
This measure of punctuality is commonly used throughout Europe. Heathrow Express, Grand Central, Hull Trains and Eurostar are not included in the National PPM
National train punctuality is measured for all trains across the whole network, including cancelled services and delays caused by external factors (such as vandalism, extreme weather, suicides etc). Punctuality did not start to be recorded in this vigorous and thorough way until 1997.
Before then Railtrack, and BR before it, did not measure all services and also excluded external factors and other items from their numbers.
These figures represent provisional data for the period and individual operators’ performance data may vary slightly from the full period performance report that Network Rail publishes on its website every month.