This is probably irrelevant, but there was a "Con Air" plane flying atypical holding pattern in the area at the time, yet at a low altitude.EDITReplaced the picture with the one showing the full flight path. It looks like the plane had to return back to the Oklahoma City airport and made several approaches to its runway before landing. This suggests an emergency that might have closed the runway for other arrivals, unless it was a training flight. If the former was the case, the trail in question could have resulted from a diversion of an incoming plane not on FR24. Note some similarity between the East part of the above flight path and a wide angle picture of the Shawnee "ribbon":