Possible Clues:

• Place reserved for one reconciling a dispute?
• Likely spot for a procrastinating traveler, and a feature of the starred answers
• Birthplace of three major world religions
• What few fliers desire
• Cramped spot for an plane passenger ... or a hint to something hidden in 17-, 26-, 34-, 42- and 51-Across
• Air traveler's dread, and what each starred answer has