By George.
I can remember a few AN Captains carried less than the flight plan to improve their ranking; there was a notice about it.
The company also monitored sector times but didn't publish them. A checkie told me that one particular Captain stood out as being consistently ahead of schedule (initials RS). A couple of others were consistently behind schedule: I was embarrassed to fly with them, particularly when other aircraft overtook us on the adjacent taxiway.