United Airlines explored 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 reported this happened.
Industry analysts regarded the potential merger as noteworthy.
United engaged bankers to weigh the move.
After months of talks, United chose to talk to American Airlines instead.
The shift triggered a reassessment of its merger strategy.
No deal was ever struck with Delta.
All discussions stopped and nothing more emerged from it.
Sources stay quiet about any future partnership plans.
Investors track the airline's next moves closely.
The market reacted with modest activity.