I would NOT recommend even a BusFirst on UA at Anytime Award level!
It just does not live up to minimum expectations.
Took a round trip SAN-IAH-GIG for 250,000 miles in April,
and was as disappointed as expected now a days.
Wish I had discovered that Korean Air flies LAX to Sao Paulo.
It has to be better and hopefully Saver awards are available at less miles.