I've posted about UA before.
Suffice it to say that, if money is a factor, I would far rather fly economy on JAL, ANA, Singapore, Emirates, Qatar or any other respectable CIVILIZED airline than on United or most other US flag carriers. I suggest that you do the same. I believe that it is better to have a seat that does not lie flat but have decent food (i.e. food that doesn't test your gag reflexes), flights that leave and arrive on time, clean restrooms, and pleasant staff, not to speak of your baggage arriving on the same flight as you do, then stretching out with worry feeling aggravated throughout the entire flight.
I'll leave it up to you which is more important - lying flat or your sanity. Choose wisely! read more