Looking on the internet deeply has found these results:

I'm supposed to leave for the meeting now. is the most popular phrase on the web.

I'm supposed to leave for a meeting now. 14,770,000 results on the web	I'm supposed to leave for the meeting now. 1216,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
This is why I'm preparing to leave for Metz. We were supposed to leave for Carbondale 10 minutes ago. It has its perks, but I'm afraid you're a little late and I have to leave for a meeting. Before she was supposed to leave for Baghdad? Listen, I'm just about to leave for London. It's not supposed to leave for another hour. I'm supposed to have a meeting with Jack Donaghy. I remember, because that's when Ken said that he and Lisa were supposed to leave for their reservation.	I'm planning to leave for Europe next week. Listen, I'm just about to leave for London. I remember, because that's when Ken said that he and Lisa were supposed to leave for their reservation. We were supposed to leave for Carbondale 10 minutes ago. It's not supposed to leave for another hour. Before she was supposed to leave for Baghdad? This is why I'm preparing to leave for Metz. I'm not supposed to leave town.

I'm supposed to leave for a meeting now.

14,770,000 results on the web

I'm supposed to leave for the meeting now.

1216,000,000 results on the web

More popular!

This is why I'm preparing to leave for Metz.
We were supposed to leave for Carbondale 10 minutes ago.
It has its perks, but I'm afraid you're a little late and I have to leave for a meeting.
Before she was supposed to leave for Baghdad?
Listen, I'm just about to leave for London.
It's not supposed to leave for another hour.
I'm supposed to have a meeting with Jack Donaghy.
I remember, because that's when Ken said that he and Lisa were supposed to leave for their reservation.

I'm planning to leave for Europe next week.
Listen, I'm just about to leave for London.
I remember, because that's when Ken said that he and Lisa were supposed to leave for their reservation.
We were supposed to leave for Carbondale 10 minutes ago.
It's not supposed to leave for another hour.
Before she was supposed to leave for Baghdad?
This is why I'm preparing to leave for Metz.
I'm not supposed to leave town.