If you are on trip trading(trade board) click on the square with the arrow thats on the left side of the trip you want to look at. From here you can click on the airplane, this will show you all the individual legs.
Or you can also click on the section that shows the trip number and date, when you do this you will notice that on the right side at the top it will now say "details" followed by the trip number and date. You can expand this by clicking on the little triangle next to the word "details" this will give you a complete overlook of the trip.