Related Clues:

• Station info, briefly
• Heraclitus's H's
• Pilots' guesses, for short
• Letters from Thessaloniki
• Itinerary data: Abbr.
• Incoming-plane stats.
• LAX figures
• Leaving guesses: Abbr.
• When planes are due, for short
• Cockpit announcements: Abbr.
• Hellenic H's
• Some guesses, briefly
• They're often moved back in airports: Abbr.
• Terminal figs.
• Airport-board listings: Abbr.