KnowraUnited AirlinesLinked fromLinked fromThe 5 pages that link to United Airlines, each with the reason it gives.All 5Related 2Compared with 3Delta Air LinesCompared with: United is Delta’s closest U.S. rival in global network scale and connecting traffic.American AirlinesCompared with: United is a close network and alliance rival of American.Pan American World AirwaysCompared with: United's broad domestic network contrasts with Pan Am's historic dependence on international routes.