To see a list of all the trips you have completed, select the My Trips tab, then select the History category at the top of the screen. You can sort the list by departure date, traveller name, or destination.
You can also see a detailed history for a current or completed trip, including details of when the trip was created and approved, and whether the approver was your main approver or a substitute:
To see the detailed history of a particular trip:
On the My Trips tab, select either the In progress or the History category, depending on whether the trip is completed or not.
Click the trip name in the list.
In the My Selection tab, scroll to the REQUEST HISTORY section at the bottom of the trip details.