Well apparently in this thread it’s junior guys scared senior guys will nab it for 100% if they wait and not accept 50%. Then some guys will work on their days off for straight pay as well, so little incentive for the company to post it right away to 100%.

On a side note, myself and the captain I just flew with waited around 30 minutes on 50% trip to jump to 100%. Both of us are far from being senior as well in our BES, so there’s that...