due to / be caused by / be by, be from

congestion, traffic jam / delay, stagnation

(for traffic to) jam, become congested, back up

lateness, late coming

to be late

transportation / traffic

to travel along a specific route / to have contact with other people, to engage in social intercourse

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend