Possible Clues:

• Blacked one in, but took one's time
• Delayed leaving (arch.)
• Was in no hurry, but attempted to get about a turn-up of the start of 28 across
• Became tardier having done this
• One in retard unfortunately didn't hurry
• A right to be heard out, as 13 may have
• Delayed leaving
• A luxury car trapped by outgoing tide, briefly remained
• Hung around, bound to cover arrival
• Delayed sailor with dire consequences