How many (of each type) classic 747s did UAL operate? What years were each in operation? I assume they were all phased out when the 747-400s and the 777-200s arrived.
I've done a search on the photos and it seems that the 747-100s operated mainly domestically and to Hawaii, the 747-200s the same with a few international destinations, and the SPs to Asia after they were purchased from Pan Am. Is this the case?
Thanks for the help.