The Quick Answer
Adds pairings releasing within a specified time window. The release time is only determined by the last duty period of the pairing.
NOTE: This does not specify a release time for a work block (Line Property).
$$$ Parings where the pairing concludes between 0000 and 0159 (debrief 11:45D -11:30I) will receive an additional 2 hours of pay.
The Manual
Example:
A pilot wants to avoid rush hour traffic.
They may bid: