Which disappears if the pilot alters the pairing at all. Dropping a 4 hour turn at the end of a pairing could cost you 6 hours because of losing the rig. If the trip is then put into open time after a pilot split it, the rig is still gone.

There are a good mix of trips in MCO. Most are unproductive but every once in a while a good one will show up. Once you hold a line there is a lot of flexibility with your schedule. You just have to be fast as stuff disappears from open time in a manner of seconds thanks to Flica alerts.