[reading: Alfred Bester, "The Stars My Destination"]
Just time in the morning to go back to Hallgrímskirkja
Then off to the airport and back to London.
copious free time (n.): [used ironically to indicate the speaker's lack of the quantity in question] A mythical schedule slot for accomplishing tasks held to be unlikely or impossible. Sometimes used to indicate that the speaker is interested in accomplishing the task, but believes that the opportunity will not arise. "I'll implement the automatic layout stuff in my copious free time."