Board Thread:Questions and Answers/@comment-67.77.93.41-20151107023122/@comment-26692787-20151107193747

I'm in Holiday Modus, therefore a short answer quoted from the offical Forum.

"Trains arrive at the loading dock 5% earlier than half way through their journey time, and wait for 10% of the journey time unless clicked sooner... so on a 20 minute run they arrive after 9 minutes and unless clicked sooner, wait for 2 minutes and then return.

The catch is that if the tracks at the destination are already full the trains stop outside the station in the "pending" state, and at that point the wait timer starts, so if they wait the full wait time outside the station, when they do reach the destination and stop they immediately start the return journey with no time for you to collect the bonus.

This does affect all journey times, but is of course most noticeable when you send large numbers of trains on short runs" from https://forum.trainstationgame.com/viewtopic.php?f=4&t=26690&p=112237#p112236