American Airlines: Often connects ATW via Chicago O'Hare (ORD) or Charlotte (CLT), competitive fares, and wide loyalty benefits through AAdvantage. Delta Air Lines: Commonly routes via Detroit (DTW) or Minneapolis (MSP), known for operational reliability and SkyMiles perks. United Airlines: Uses Chicago (ORD) or other hubs with solid schedule frequency but variable fares. Low-cost carriers or regional partners may offer segments to nearby airports; compare total door-to-door time. In October, evaluate each carrier for price, connection time, baggage allowances, and schedule reliability — then book the option that balances cost with the shortest total travel time.