Punctuality in long distance passenger traffic is presented as a percentage of trains that have arrived at their final destination at most 5 minutes behind schedule
 
                     Punctuality in commuter traffic is presented as a percentage of the Helsinki region commuter trains that have departed from their station of departure and arrived at their final destination less than 3 minutes behind schedule.
 
                     Punctuality of urban lines is the punctuality of Helsinki region commuter trains that run on separate urban lines (lines A, I, K and P). Punctuality is presented as a percentage of trains that have departed from their station of departure and arrived at their final destination less than 3 minutes behind schedule.