Bill Kennedy stated at the WAI hiring brief, "We don't require the 4 year degree, but don't expect us to call you without one."
So for United...you need it.
Why anyone would want to try to skimp on this requirement is beyond me. This has been beat on the head many times before.
No, it doesn't make you a better pilot. The best pilot I ever flew with didn't even have a GED.
Yes, it helps the computer/HR folks weed through the gazillions of apps that look exactly alike (regional guys/gals with high time, long time regional guys/gals with lots of PIC turbine, military guys/gals with Masters degrees and beyond)
If you don't have the Bachelor's Degree, your chances at a legacy are pretty much zip.
Just as we are wasting time on this forum exchanging ideas, you could be punching away at the keyboard working toward that degree as you read.
Best of luck to you all.