We can say 'We are getting late to the office' not 'we are running late to the office'. We could say that' We are running out of time/We are running short of time/The time is running out''.
Never use 'we are crawling late' or' the train is crawling late'
No life without Sun
The same is the case with trains also. If somebody says you that the train is crawling late, you will immediately tell him that you please ask the driver to run the train but not crawl. So always everybody should say that even after trying our best the result is not in our favor.
Even somebody might not have started from his house, When others call him and ask where are you, what is the answer you Know. I am half the way. The heavy traffic in this area is creating problem . I will try to come at the earliest. This is the general answer to express force majuere clause. No body can deny.
'Knowing others is wisdom, knowing yourself is Enlightenment'- Lao Tzu