Related Clues:

• Some Greek letters
• H-shaped letter
• Sched. listing
• Cockpit approximation
• In-flight guesstimate
• Plato's seventh letter
• Capt.'s guess
• LAX board stat
• Kennedy posting: Abbr.
• Flier's concern, for short
• LAX or JFK guesstimate
• Pilot's stat
• Greek "H"
• Passengers' datum, briefly
• Posting at O'Hare: Abbr.