Possible Clues:

• Up in the air, briefly
• Brief "We'll figure it out later"
• Undecided, on schedule: Abbr
• Short "We'll announce this later"
• Not yet known: Abbr
• Undecided, on a schedule: Abbr
• Sked abbr
• "Still pending" letters
• Not yet certain: Abbr
• Not yet known, for short