Originally Posted by
UA-NYC
Please, please, please re-accuse me of "spreading misinformation", you're making a habit of it. Try 8th-10th, $230 on UA vs. $979 on CO. I'd say that's a pretty good case of "one being more expensive than the other".
Which specific flights are you choosing? I see plenty of $231 r/t fares from either CO or UA departing LGA and plenty of $605 fares on either CO or UA while departing EWR.
And lest you suggest that it is always CO metal that is more expensive, the 4th from the bottom in that second image is operated by UA.
The issue is competition versus none, not who operates the flight. The EWR route has no competition while the LGA route (and JFK, if you're in to that sort of thing) does. That's what drives the pricing.
I'm sorry if my continued presentation of facts rather than hyperbole and emotion troubles you. But the facts are what they are.