Related Clues:

• LAX abbrs.
• Touchdown data
• Some airport data: Abbr.
• Schedule guesses briefly,
• Some Greek vowels
• They frequently change in airports, in brief
• Incoming flights (Abbr.)
• Passengers' concerns, briefly
• H H H, to Greeks
• LAX guesstimates
• Letters from Athens
• In-flight announcements, for short
• Airport guesses, for short
• LAX announcements
• Letters that look like H