United Airlines looked at combining with Delta Air Lines in 2025.
The proposal emerged 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 significant.
United brought in bankers to weigh the move.
After months of talks, United decided to talk to American Airlines instead.
The shift led to a reassessment of its merger strategy.
No deal was ultimately struck with Delta.
All discussions ceased and nothing more came of it.
Sources stay quiet about any future partnership plans.
Investors monitor the airline's next moves closely.
The market reacted with modest activity.