United Airlines looked at combining with Delta Air Lines in 2025.
The proposal appeared amid broader industry consolidation talks.
The Wall Street Journal, Crain's Chicago Business and Seeking Alpha said this happened.
Industry analysts viewed the potential merger as noteworthy.
United engaged bankers to weigh the move.
After months of talks, United opted to talk to American Airlines instead.
The shift led to a reassessment of its merger strategy.
No deal was still struck with Delta.
All discussions stopped and nothing more resulted from it.
Sources are quiet about any future partnership plans.
Investors watch the airline's next moves closely.
The market responded with modest activity.