marchino61, they flew about 150 miles past MSP, but they were declared NORDO about long before MSP when they did not respond to Denver ARTCC attempt to handoff to MSP. One hour + 14 minutes.
I still think they would have had a better ultimate defense if they actually had fallen asleep... they would have eventually been shown to suffer from sleep apnea, and after suitable treatment been found fit for resumption of flying duties.
But the notion of zipping past your destination at flight level while arguing is too fanciful!