Originally Posted by
KSCessnaDriver
Most of the NYC routes are YX routes, for what its worth.
Endeavor does the most flying for Delta out of LGA. More than Delta. But JFK-DFW and such are Endeavor as well. However, LGA-DFW has been YX lately as I've seen, but I wouldn't call the generalization as "most" in your post as an accurate assessment.