Related Clues:

• Honor society letter
• H, to Herodotus
• In-flight details, for short
• Seventh letter of the Greek alphabet
• Part of a flight plan
• Airline's best guess (Abbr.)
• Announcement before the listing of flight connections: Abbr.
• -
• Some Greek letters
• H-shaped letter
• Sched. listing
• Cockpit approximation
• In-flight guesstimate
• Plato's seventh letter
• Capt.'s guess