Also I can't understand why any of the multiple weather satellites would not have picked up contrails.
The type of satellites which acquired the posted images are in orbits fixed with respect to the Sun and so pass over the ground at fixed local times (generally each side of midnight/midday). These times do not correspond to the time of the flight, certainly the part when the position is uncertain.
In general low earth orbit metsats (and other climate science missions like TERRA and AQUA from which the posted images originated) have a narrow swath they can view and only see a particular location at the very most twice per day. It is unlikely that one would come over when a particular contrail was in existence, even at the right time of day.
Geostationary metsats do not have the resolution.