Should You Stick With a Hub-and-Spoke Carrier or Go Low-Cost?

The Misconception: Low-Cost Always Wins on Price

You've probably heard it a hundred times: if you want to save money on airfare, fly a low-cost carrier like Southwest, Ryanair, or Frontier. It's the conventional wisdom, and it's wrong—at least for certain routes and itineraries. The real question isn't 'low-cost vs. legacy.' It's 'which network structure serves your specific trip better?'

The truth is, after US deregulation in 1978, full-service carriers like American, United, and Delta reorganized into hub-and-spoke networks, with Delta centered on Atlanta (Elsevier). These networks exploit economies of density—more passengers per route lower the cost per passenger (Elsevier). That means on high-traffic hub-to-hub routes, the legacy carriers can match or beat low-cost fares while offering more flexibility. Low-cost carriers, by contrast, use point-to-point networks and skip the complex hub banking (Elsevier). That's great if you're flying between two non-hub cities, but it falls apart when you need a connection or a change.

The Question: Which Model Saves You More for Your Trip?

Here's the narrow question you need to answer before you book: For your specific route and flexibility needs, which network—hub-and-spoke or point-to-point—will give you the lowest total cost, including fees and potential change costs? This isn't about brand loyalty. It's about matching the network to your travel pattern.

When Hub-and-Spoke Wins: The Density Advantage

Imagine you're flying from a small city like Des Moines to a major hub like Chicago, then onward to Paris. A low-cost carrier might not even serve Des Moines. That's where the hub-and-spoke model shines. By funneling passengers from dozens of small cities into a central hub, carriers like United at Denver or Delta at Atlanta achieve load factors that drive down per-passenger costs (Elsevier). In fact, on continental routes, low-cost carriers can deliver roughly 80% of the service quality at less than 50% of the cost of network carriers (Elsevier)—but that's only when they actually fly the route. If you need a connection, the point-to-point model forces you to book two separate tickets, losing the protections of a single itinerary.

Moreover, hub-and-spoke networks are built for price discrimination and yield management, which means you can often find bargain fares on routes where demand is low at certain times (Elsevier). The full-service revenue model also includes frequent-flyer programs that can save you big on checked bags and upgrades (Elsevier). For a business traveler who needs to change plans last-minute, the flexibility of a hub carrier—like Southwest's offer of no change fees—might be worth the higher base fare (The Points Guy).

When Low-Cost Wins: The Point-to-Point Advantage

Now flip the scenario. You're flying from Orlando to Las Vegas, both low-cost strongholds. A point-to-point carrier like Southwest can fly you nonstop without the hub connection, saving you time and potentially money. Southwest has no change fees, and you can cancel up to 10 minutes before departure and get a credit that never expires (The Points Guy). That's a huge advantage for flexible travelers. On routes like this, the low-cost model's efficiency—no hub banking, simpler operations—lets them offer lower base fares (Elsevier).

But here's the catch: low-cost carriers often charge for extras that legacy carriers bundle. For instance, Southwest ended its 'bags fly free' policy for bookings on or after May 28, 2025, now charging $35 for the first checked bag and $45 for the second (CBS News). That's a significant hidden cost. If you're checking two bags, that's $80 round-trip, which can erase the fare difference. On the other hand, legacy carriers like United and Delta often include a free checked bag in their branded fares or credit card perks.

Comparing the Real Costs: A Table

Real-World Scenario: Which Should You Choose?

Let's put numbers to it. You're flying round-trip from Atlanta to New York JFK next month, checking one bag. Delta, a hub carrier, offers a fare of $300. Southwest, a low-cost carrier, offers $250. On the surface, Southwest saves you $50. But Southwest now charges $35 for that first bag each way (CBS News). That adds $70, making the total $320—more than Delta. And Delta's hub-and-spoke network means more frequent flights and better rebooking options if things go wrong (Elsevier). So for this trip, the legacy carrier is actually cheaper.

Now consider a trip from Denver to Phoenix on a Sunday. Southwest might have a nonstop for $120, while United (hub-and-spoke) requires a connection through Chicago for $180. Even with a $35 bag fee, Southwest costs $155, which is still $25 cheaper. Plus, Southwest's no-change-fee policy gives you flexibility that United might charge $200 for (The Points Guy). In this case, low-cost wins.

The Bottom Line: Match the Network to Your Trip

Stop defaulting to 'low-cost is cheaper.' Instead, calculate the all-in cost for your specific route, including bag fees, change fees, and connection time. For hub-to-hub routes or trips requiring connections, hub-and-spoke carriers often win. For point-to-point routes on low-cost networks, they can be cheaper—but only if you don't check bags or need flexibility. The single best move: always compare the total cost, not just the base fare, and check the bag fees and change policies before you book.

Sources

• Elsevier - https://www.sciencedirect.com/science/article/abs/pii/S0739885905130030
• The Points Guy - https://thepointsguy.com/airline/refund-when-flight-drops-in-price/
• CBS News - https://www.cbsnews.com/news/southwest-airlines-new-checked-bag-fee-35/
• Airlines for America glossary - https://www.airlines.org/glossary/