Related Clues:

• 9:15, say, at J.F.K.
• Airport inits.
• In-flight announcement, briefly
• Flight stat.
• O'Hare posting: Abbr.
• Incoming flight info
• Plato's ''H''
• Letters of Zeno
• Letter from Athens
• Airport info
• Pilot's prediction, for short
• Letter after zeta
• Letter from Corinth
• H
• JFK guesstimate