The one on the left did not move for some in-game hours:
It even survives saving and loading, so here’s the savegame:
1 Like
did you go into the f10 menu and reset vehicle paths?
F10 and “Reset all road nodes” did not help.
It was fixed by modifying the savegame, removing the baggage car and the three trailers from the vehicle list, and then loading the savegame and dismissing the aircraft.
i suggest you send in a bug report then.
Please file a bug report and include the save! 
Has this bug been reported? Same issue here.
Has this bug been reported? Same issue here.
Please file a bug report via in game bug report system 