Originally Posted by
MDtR-Chicago
What I noticed most recently was the spacing of the trains kind of made it irrelevant which you took.
That has not been my experience at all. In my example noted above, there was an Antioch train departing SFO 3 minutes after the fake "Richmond" train. By taking the earlier train and routing through Millbrae, I lost nearly half an hour.
Also, once you know what's going on, it is pretty easy to tell which trains are not direct. The Richmond line is currently running through Millbrae, while the Antioch line is running directly to/from SFO.