Originally Posted by
MLHeliwrench
I also wonder if the call of ‘rolling’ by SWA was a bit optimistic. Perhaps they were still turning on to active or otherwise not quite rolling yet.
FR24 have now released (slightly) more granular data which provides more detail around the SWA's runway entry and line up.
The 737 appears to have been stationary for approximately 20 seconds between lining up and starting to roll (stated purely as a matter of record, no judgement implied).