ASAlaska Airlines
…2025 Departures
…Load Factor
AS5 hubs
The airports where Alaska Airlines concentrates the most flights and connections, typically where it bases aircraft and crew.
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Per-aircraft performance, 2025
How efficiently Alaska Airlines uses each aircraft type it flies: load factor, seats per flight, and passengers per departure, broken down by airplane model.
6 aircraft types · 1139 routes in 2025
Every route Alaska Airlines flew in 2025, grouped by the aircraft type assigned to it. A route can appear under more than one selection if Alaska Airlines swaps equipment on it seasonally.
Highest-volume city pairs by seat volume
The busiest routes Alaska Airlines flies by total seats, split into domestic and international. Ranked by volume, not necessarily by profitability.
Alaska's BTS data reflects a carrier heavily concentrated in the Pacific Northwest and California. Seattle is the undisputed hub, with Portland and San Francisco playing significant secondary roles. Load factors are consistently strong, a sign of healthy demand on Alaska's core routes where competition is limited or manageable.
The fleet data will increasingly reflect the Hawaiian Airlines integration, with Boeing 787 & Airbus A330 widebodies and Airbus A321neos appearing alongside Alaska's traditional Boeing 737 fleet. This mixed-fleet complexity is new for an airline that prided itself on all-Boeing simplicity. Watch load factor trends on the transpacific routes: those will tell the story of whether the Hawaiian acquisition is paying off.
Alaska Airlines is the dominant carrier on the West Coast and one of the most respected airlines in the United States. Based in Seattle, Alaska has built a network that connects the Pacific Northwest with California, Hawaii, Alaska, and a growing number of destinations nationwide. Their acquisition of Hawaiian Airlines, completed in September 2024, significantly expanded their reach to the islands and added transpacific routes to Asia and Oceania.
Alaska is a member of the Oneworld alliance, giving its passengers access to partner airline benefits and connectivity worldwide. The airline has a strong reputation for customer service, a generous loyalty program in Mileage Plan, and a modern fleet that continues to be refreshed. Their focus on the West Coast gives them a near-monopoly on some Pacific Northwest routes, but genuine competition with Delta and United on key transcontinental corridors keeps fares competitive.
Alaska is an excellent choice for West Coast travelers, Pacific Northwest residents, and anyone flying to Hawaii from the mainland. If you are based in Seattle, Portland, or the Bay Area, Alaska will almost certainly be your most convenient and frequently competitive option. Their Mileage Plan loyalty program is widely considered one of the most valuable in the industry, and the airline's on-time performance and customer satisfaction scores are consistently strong.
For transcontinental flights from the West Coast, Alaska is worth comparing against United and Delta thanks largely to the Hawaiian Airlines acquisition which featured the inclusion of the Boeing 787 Dreamliner to the Alaska fleet. Their all-Boeing 737 fleet on domestic routes means a familiar, consistent experience. If you are flying to Hawaii from the West Coast, Alaska is one of the best options available.
Alaska Airlines flies to more than 100 destinations across the contiguous U.S., Hawaii, Mexico, Costa Rica, and Canada, with the heaviest concentration of routes along the West Coast. Seattle (SEA) is the primary hub, but the network extends nationwide through focus cities in Portland, San Francisco, Los Angeles, and Anchorage.
Understanding route metrics for Alaska Airlines
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 Alaska Airlines 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 Alaska Airlines skipped during 2020–2021 and never fully restored will carry a resilience penalty that drags the overall stability score down.
Route Dominance looks at Alaska Airlines's share of that route specifically. It is driven purely by Alaska Airlines's seat share on each route: Sole Operator means Alaska Airlines 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 Alaska Airlines 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 Alaska Airlines's primary bases will always score highest; airports where it operates only one or two seasonal routes will score lowest.
