Related Clues:

• One who fails to arrive
• One doesn't appear to consume contents of bowl
• She doesn't appear to eat innards of fowl
• One not keeping an appointment — who's on (anag)
• Unexpected absentee
• Possible reason for an empty seat
• Godot, famously
• What an empty seat can represent
• Pained expression after food, restaurateur's nightmare?
• Reservation desk bane
• Absentee gets meals with old women
• Failure to attend meal — that hurts
• One's failed to turn up with food -- that hurts!
• Flaky guest
• Person who fails to cancel — who's on (anag)