Originally Posted by
gfunkdave
Why does United.com show all three as Q fares?
If you dig further, I'm sure you'll see different fare bases. They may come out of the same bucket, but some Q fares are refundable and some aren't.
For example, on an SFO-YVR search, I get QAA7AFEN (non-refundable) and QAA7AFEM (refundable).