Where does Allegiant Air fly? The G4 route map

Allegiant Air (G4) operates nonstop service on 486 routes in 2LNR's schedule data, touching 124 airports across its network. The busiest G4 markets include Allentown to Midway, Midway to Knoxville, and Fresno to Las Vegas. Premium cabins on a network this size behave unevenly: some corridors show upgrade and award space daily while others almost never open. Every G4 nonstop in 2LNR's schedule data is grouped by origin below, busiest first.

Route data refreshed . Routes and carriers reflect the schedule data behind 2LNR's route map.

Updated .

See G4 routes on the interactive map Get started free
486
Nonstop routes
124
Airports served
Free
To get started

What this page carries for Allegiant Air

2LNR does not read seat inventory for Allegiant Air. This page carries the carrier's nonstop network from 2LNR's schedule data, grouped by origin, and every route opens its own schedule with the aircraft and times filed for each departure.

Availability by date

Each route opens a calendar of departures with confirmed upgrade and award space, so you can see which dates already have room instead of checking one flight at a time.

Alerts when space opens

Premium seats turn over fast. Watch a G4 route and 2LNR notifies you by email, SMS, in-app, and push the moment space appears.

The whole network on a map

Filter the interactive route map to G4 to see the network, compare connections, and jump into any route from there.

About Allegiant Air

Allegiant Air in brief

Allegiant Air's IATA code is G4. It sells point-to-point leisure routes between smaller US cities and vacation destinations, without a connecting-hub model, so a route either exists on your dates or it does not.

Allegiant Air flight schedule by route

The G4 routes carrying the most flights in 2LNR's schedule data. Each one opens that route's scheduled departures. This is the published schedule, not a live status board: for day-of delays, cancellations and gates, check Allegiant Air directly.

Busiest Allegiant Air airports

The airports with the most G4 nonstop routes in 2LNR's schedule data. Hubs and focus cities normally sit at the top of a list like this. Each one opens that airport's full nonstop list, on G4 and on every other carrier 2LNR covers.

Every Allegiant Air nonstop route

486 nonstop routes across 124 airports, grouped by departure city. Each route links to its confirmed upgrade and award availability.

DJT

  • DJT to Cincinnati (CVG)
  • DJT to Grand Rapids (GRR)

Fort Lauderdale (FLL)

every route from Fort Lauderdale (FLL)
See the G4 network on the interactive map →

Frequently asked questions about Allegiant Air (G4) routes

Where does Allegiant Air fly nonstop?
Allegiant Air operates 486 nonstop routes serving 124 airports in 2LNR's schedule data. The busiest are Allentown to Midway, Midway to Knoxville, and Fresno to Las Vegas. The full list is on this page, and each route opens its own calendar of confirmed upgrade and award space.
How many routes does Allegiant Air (G4) operate?
G4 currently shows 486 nonstop routes between 124 airports. Schedules change seasonally, so this page updates as new G4 schedule data is confirmed.
Does 2LNR track upgrades on Allegiant Air?
2LNR tracks confirmed upgrade inventory on American, Delta and Alaska, and award seats across more than 20 airlines. Allegiant Air is not one of them. Each G4 route below carries its own nonstop schedule and the airlines that operate it.
How do I check availability on a specific G4 route?
Open a route such as Allentown to Midway from the list on this page to see G4 departures date by date. The route page carries the nonstop schedule, the aircraft and the times filed for each G4 departure; 2LNR does not read seat inventory for this carrier.
Does 2LNR show the Allegiant Air flight schedule?
Yes, for the routes on this page: each G4 route opens the scheduled departures 2LNR holds for it, refreshed as new schedule data is confirmed. It is not a live status board. For day-of delays, cancellations and gates, check Allegiant Air directly, and treat anything here as the published schedule rather than today's operation.

Every G4 nonstop route, with its timetable

Open any route for its schedule and who flies each departure. On the carriers 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

Get started free