Originally Posted by RealHJ

Yes, if they do it correctly (there's a convoluted way to do it to avoid it from overcharging you; many agents will just gladly overcharge).

Remember that dullta.com cannot be used for direct origin to destination searches reliably. It often will not show the most logical, shortest routing and shortest connections. You have to search segment by segment, then call to book the trip. (The opposite is true if you are flying on DL, however.)