Assuming that he chooses to board that bus which will bring him to his destination at the earliest moment, there is a maximum time that his journey (waiting plus travel time) could take.
Ipagpapalagay na nakatanggap na siya pipili sa board na ang bus na magdadala sa kanya sa kanyang patutunguhan at ang earliest sandali, may isang maximum na oras na ang kanyang paglalakbay (naghihintay plus travel time) ay maaaring magtagal.