Originally Posted by
sammyindc
Using a 767 is not profitable on that route. While CPUs may be great for us, UA doesn't make any money on them so they are better off using these planes in markets with a demand for BF fares. It's more profitable to operate 11 or 12 757s, 737, and A320s with fewer BF seats.
I always presumed that it was a way to get some better utilization out of the birds. They generally always were coming/going from overseas. This gave them a way to get some more usage each day. Arrive EWR early morning. Take and afternoon trip to IAH, leave IAH early back to EWR and off to Europe for the overnight.
I've just gotten spoiled (over entitled:->) over the years.