Possible Clues:

• Leisurely way to enter a Scottish river
• Belated thanks, dry, out of order
• Dilatory sailor on duty cleared out
• Punctual? No
• Late author such as G Eliot, deserted by husband
• Delayed, little boy finally runs to centre
• Like late for showtime
• River running across road makes one late
• Late to take the stage
• Arriving after the bell