Originally Posted by
MSPeconomist
When I've asked DL this question, as a top tier elite, I've been reassured that I would be taken care of. I've used this once or twice. YMMV.
DL even took care of rebooking me at no charge when I missed a KL flight booked with DL due to a 3-hour WN delay... I think that the "flat tire rule" is still alive and well with most carriers, as long as you don't make a habit of missing flights.