vocabulary:
  name: SkyWest Airlines Vocabulary
  description: >-
    Domain vocabulary for SkyWest Airlines, the largest regional airline in North
    America. Covers aviation operations, flight services, crew management, and
    regional airline partnerships.
  created: '2026-05-02'
  modified: '2026-05-02'
  tags:
    - Airlines
    - Aviation
    - Regional Airline
    - Transportation

terms:
  # Airline Operations
  - term: Regional Airline
    definition: >-
      An airline that operates smaller aircraft on shorter routes, typically
      under code-share or capacity purchase agreements with major network carriers.
    tags:
      - Aviation
      - Operations

  - term: Code Share
    definition: >-
      A commercial arrangement where two or more airlines share the same flight,
      allowing passengers to book under different airline brand codes for a single
      operated flight.
    tags:
      - Aviation
      - Partnerships

  - term: Capacity Purchase Agreement (CPA)
    definition: >-
      A contractual arrangement where a major airline (United, Delta, American,
      Alaska) pays SkyWest to operate flights using the major airline's brand,
      covering operating costs plus a fixed fee per flight.
    tags:
      - Aviation
      - Business

  - term: Delta Connection
    definition: >-
      SkyWest Airlines flights operated on behalf of Delta Air Lines, branded
      and sold as Delta Connection service.
    tags:
      - Aviation
      - Partnerships

  - term: United Express
    definition: >-
      SkyWest Airlines flights operated on behalf of United Airlines, branded
      and sold as United Express service.
    tags:
      - Aviation
      - Partnerships

  - term: American Eagle
    definition: >-
      SkyWest Airlines flights operated on behalf of American Airlines, branded
      and sold as American Eagle service.
    tags:
      - Aviation
      - Partnerships

  - term: Alaska SkyWest
    definition: >-
      SkyWest Airlines flights operated on behalf of Alaska Airlines, branded
      and sold as Alaska SkyWest service.
    tags:
      - Aviation
      - Partnerships

  # Fleet Terms
  - term: CRJ (Canadair Regional Jet)
    definition: >-
      A family of regional jet aircraft manufactured by Bombardier (now MHIRJ).
      SkyWest operates CRJ200, CRJ550, and CRJ900 variants.
    tags:
      - Aviation
      - Fleet

  - term: CRJ200
    definition: >-
      A 50-seat regional jet aircraft with two GE CF34 engines, operated by
      SkyWest Airlines primarily on shorter regional routes.
    tags:
      - Aviation
      - Fleet

  - term: CRJ550
    definition: >-
      A 50-seat variant of the CRJ700 operated by SkyWest for United Express,
      featuring premium first-class and economy sections with additional legroom.
    tags:
      - Aviation
      - Fleet

  - term: CRJ900
    definition: >-
      A 76-seat regional jet aircraft operated by SkyWest Airlines on higher-demand
      regional routes, supporting capacity for medium-distance connections.
    tags:
      - Aviation
      - Fleet

  # Flight Data Terms
  - term: IATA Code
    definition: >-
      International Air Transport Association two-letter designator. SkyWest's
      IATA airline designator is OO.
    tags:
      - Aviation
      - Identifiers

  - term: ICAO Code
    definition: >-
      International Civil Aviation Organization four-letter designator. SkyWest's
      ICAO code is SKW.
    tags:
      - Aviation
      - Identifiers

  - term: Flight Status
    definition: >-
      Real-time information about a flight's current state, including on-time,
      delayed, canceled, boarding, departed, or arrived status.
    tags:
      - Aviation
      - Flight Data

  - term: Block Time
    definition: >-
      The total time from when an aircraft pushes back from the gate (block out)
      to when it arrives at the destination gate (block in), used for crew
      scheduling and airline performance metrics.
    tags:
      - Aviation
      - Operations

  - term: Turnaround Time
    definition: >-
      The time required to prepare an aircraft between flights, including
      deplaning, cleaning, loading, fueling, boarding, and departure procedures.
    tags:
      - Aviation
      - Operations

  # Employee Portal
  - term: SkyWestOnline
    definition: >-
      SkyWest Airlines' employee portal providing crew scheduling, payroll access,
      training resources, and internal communications for pilots, flight attendants,
      and ground personnel.
    tags:
      - Operations
      - Employee Services

  - term: Crew Scheduling
    definition: >-
      The process of assigning pilots and flight attendants to flights in compliance
      with FAA regulations, union agreements, rest requirements, and airline
      operational efficiency objectives.
    tags:
      - Aviation
      - Operations

  - term: Crew Pairing
    definition: >-
      A sequence of flights flown by a crew member starting and ending at their
      home base, built to satisfy regulatory rest requirements and minimize costs.
    tags:
      - Aviation
      - Operations

  # Regulatory
  - term: Part 121
    definition: >-
      FAA regulations governing scheduled air carrier operations, under which
      SkyWest Airlines operates all commercial passenger flights.
    tags:
      - Regulatory
      - Aviation

  - term: Hub and Spoke
    definition: >-
      An airline network model where regional airlines like SkyWest feed passengers
      from smaller markets into major airline hubs for connection to long-haul routes.
    tags:
      - Aviation
      - Network

  - term: Essential Air Service (EAS)
    definition: >-
      A US government program that subsidizes air service to small and remote
      communities that would not otherwise receive commercial airline service,
      supporting routes served by regional carriers like SkyWest.
    tags:
      - Aviation
      - Government
      - Regulatory