United Airlines looked at combining with Delta Air Lines in 2025.
The proposal surfaced amid broader industry consolidation talks.
The Wall Street Journal, Crain's Chicago Business and Seeking Alpha said 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 prompted a reassessment of its merger strategy.
No deal was ever struck with Delta.
All discussions ceased and nothing more came of it.
Sources stay quiet about any future partnership plans.
Investors track the airline's next moves closely.
The market reacted with modest activity.