Delta Air Lines and United Airlines are two of the largest airlines operating in the United States. These airlines are also flagship airlines with two of the largest airline alliances in history — the SkyTeam Airline Alliance for Delta and the Star Alliance for United.
Due to the massive footprints of these airlines and their many airline partners, you can pretty much use either one to get where you want to go. That said, these airlines feature different hubs and key international destinations, and they both have unique frequent flyer programs that reward their most loyal customers in different ways.
At the end of the day, both of these airlines have been around for almost 100 years, and they each have their share of pros, cons and shortcomings. This ultimately means the right airline for you depends on where you’re flying, when and how much you want to pay. Of course, you may be better off focusing on one of these carriers over the other based on where you live, the airports you…