2) А: What time does the flight depart?B: It departs at 12:45, so we are leaving the hotel at 11:00.

3) A: What time does the lecture begin?

B: It begins at 1:30, so we are getting the bus to university at 1:00.

4) A: What time does John arrive home?

B: He arrives home at 6:00, so we are having video chat at 6:30.