Related Clues:

• Alphabetic character
• Frat letter, perhaps
• Takeoff guesstimate: Abbr.
• Takeoff stat: Abbr.
• Pirate's cry
• Hellenic H
• Airport guess: Abbr.
• H, to Greeks
•     Traveler's request: Abbr.
• JFK posting
• Terminal abbr.
• O'Hare abbr.
• Pirate's exclamation
• Sched. guess
• Airline Web site stat.