G4Allegiant Air
…2025 Departures
…Load Factor
G45 hubs
The airports where Allegiant Air concentrates the most flights and connections, typically where it bases aircraft and crew.
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Per-aircraft performance, 2025
How efficiently Allegiant Air uses each aircraft type it flies: load factor, seats per flight, and passengers per departure, broken down by airplane model.
3 aircraft types · 2386 routes in 2025
Every route Allegiant Air flew in 2025, grouped by the aircraft type assigned to it. A route can appear under more than one selection if Allegiant Air swaps equipment on it seasonally.
Highest-volume city pairs by seat volume
The busiest routes Allegiant Air flies by total seats, split into domestic and international. Ranked by volume, not necessarily by profitability.
Allegiant's BTS data reflects one of the leanest operations in U.S. aviation. Load factors are consistently in the high 70s to mid-80s, strong for a carrier that flies infrequently and targets leisure travelers booking weeks in advance. The airline's aircraft utilization per day is lower than peers by design, a deliberate choice that shows up clearly in the departures-per-aircraft figures.
The fleet data shows the ongoing transition from Airbus A320s to Boeing 737 MAX 8s. The newer 737s bring better fuel efficiency and lower maintenance costs, which should improve Allegiant's already lean cost structure going forward. Watch for load factor changes on newer routes as the airline uses the merger process with Sun Country to potentially expand into new markets.
Allegiant Air is a Las Vegas-based ultra low cost carrier with a uniquely disciplined business model. Unlike most airlines, Allegiant deliberately does not fly every day: if a route only supports three flights per week, Allegiant parks the plane the other four days. This approach to capacity management keeps costs exceptionally low and allows the airline to serve smaller leisure markets that other carriers abandon.
Allegiant focuses almost exclusively on connecting cold weather markets to warm weather vacation destinations. Think Peoria to Orlando, or Syracuse to Tampa. They specialize in flying from secondary airports in secondary cities, places where they face little to no competition, giving them pricing power without the overhead of a traditional hub operation. A merger with Sun Country Airlines was announced in early 2026, which would create one of the largest ULCC network in the country when finalized.
Allegiant is ideal for budget leisure travelers in smaller Midwest or Northeast cities who want a direct flight to Florida, Las Vegas, or another warm destination without driving to a major airport. If Allegiant flies from your local regional airport to where you want to go, it is almost always the cheapest option on that route, often by a significant margin.
The trade-off is flexibility. Allegiant flies infrequently (sometimes only twice a week), charges fees for everything beyond a personal item, and does not offer anything in the way of onboard amenities. Do not fly Allegiant if you need scheduling flexibility, a checked bag, or any kind of service beyond getting from A to B safely.
Allegiant focuses almost entirely on leisure routes from smaller regional airports (markets like Provo, Tulsa, and Asheville), connecting them to vacation destinations like Las Vegas, Orlando, and Florida's Gulf Coast. The airline deliberately avoids major hubs (although this could change thanks to the Sun Country Merger), which means it's often the only carrier offering nonstop service in the markets it does serve.
Understanding route metrics for Allegiant Air
Load factor is the percentage of available seats filled with paying passengers. A route running at 85% or above is considered healthy and signals strong demand relative to capacity. When Allegiant Air routes dip below 75%, it often means the airline is over-scheduling relative to demand, which can lead to fare cuts, frequency reductions, or eventual suspension. Routes where the load factor has declined more than 5 points versus the historical average are flagged in our Stability scoring, since sustained low fill rates are one of the strongest early indicators of a route being pulled.
Route Stability reflects how consistently a route has been operated over time and how healthy it looks today. Lower scores, flagging a route as Stability Watch or At Risk, are driven by a combination of factors: declining year-over-year passenger numbers, load factors below 75% (meaning seats are going empty), frequency cuts in 2024–2025 relative to 2023, and a history of suspension during COVID with a slow recovery. A route that Allegiant Air skipped during 2020–2021 and never fully restored will carry a resilience penalty that drags the overall stability score down.
Route Dominance looks at Allegiant Air's share of that route specifically. It is driven purely by Allegiant Air's seat share on each route: Sole Operator means Allegiant Air is the only nonstop carrier; Monopoly means it holds over 70% of seats; Dominant means 40–70%; below that falls into Competitive or Minor territory. High dominance on a busy route signals strong pricing power and low substitution risk for travelers.
Airport Commitment scores how deeply invested Allegiant Air is at each airport it serves, specifically whether it's growing, holding steady, or pulling back. A Dominant or Committed label means the airline has meaningful seat share, stable or growing capacity, and strong route completion rates at that airport. A Marginal or Retreating label means thin seat share, capacity cuts since 2022, or a pattern of cancellations. Hub airports like Allegiant Air's primary bases will always score highest; airports where it operates only one or two seasonal routes will score lowest.
