Meaning/Usage: Common way of telling someone that you are going to the person.
Explanation: This is very straightforward. It is very commonly used.
"Don't worry I'm on my way."
"Just be patient, I'm on my way."
"I got your message saying you needed my help. I'm on my way."
A. "I thought you were going to come over right after work?"
B. "Sorry, I had to stay late. But don't worry I'm on my way home now."
Other Common Sentences
"I'm coming now."
"I'm currently going there."