Originally Posted by
mahasamatman
United allows a maximum of five stopovers. MCO-SNA-SJC may also violate the one-direction rule, though I don't know how strict they are on that. And note that United charges 350,000 miles for a Business Class RTW (450,000 if any segment is in three-class First).
UA is spectacularly strict on the backtracking rule and it is by stop on awards, not by region as it typically is with revenue RTWs.