Allegiant Air

Allegiant Air (G4) is a Budget airline based in USA, with its main hub at Las Vegas McCarran. Browse seat maps, carry-on baggage rules, and fleet information.

Airline Information

• IATA code: G4
• Country: USA
• Hub: Las Vegas McCarran
• Alliance: Independent
• Tier: Budget
• Customer support: 1-702-505-8888

Carry-on Baggage Rules

• Maximum carry-on dimensions: 56x36x23
• Maximum carry-on weight: 7 kg
• Personal item: Allowed (up to 46x33x20)
• Notes: Personal item (under seat) is the only free item. Carry-on overhead bag requires a fee — lowest when purchased at booking. No weight limit published for carry-on, but bag must fit in overhead bin.