Related Clues:

• SAS listing: Abbr.
• Campus letter
• Honor society letter
• H, to Herodotus
• Seventh letter of the Greek alphabet
• Part of a flight plan
• Airline's best guess (Abbr.)
• Announcement before the listing of flight connections: Abbr.
• H-shaped letter
• Schedule slot letters
• Sched. listing
• Cockpit approximation
• TV sched. abbr.
• In-flight guesstimate
• Plato's seventh letter