G4 23 Great Falls to Las Vegas Flight Status

Allegiant Air Flight G423 from Great Falls International Airport GTF to Las Vegas McCarran International Airport LAS is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on February 9th, 2026.
Check the table below for G423's most recent flight history:

G4 23 Flight Status & Schedule

Date Departure Arrival Status
Feb 09 17:43 19:04
Landed Late
Track >
Feb 06 17:17 18:16
Landed
Track >
Feb 02 17:17 18:04
Landed
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Jan 30 17:10 17:56
Landed
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Jan 26 17:01 17:55
Landed
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Allegiant Air G4 23 Great Falls to Las Vegas Flight Information

Allegiant Air Flight G423 connects Great Falls, United States to Las Vegas, United States, taking off from Great Falls International Airport GTF and landing at Las Vegas McCarran International Airport LAS.

How long is the G423 flight from Great Falls to Las Vegas?

The average flight time from Great Falls to Las Vegas is 1 hour and 50 minutes. The flight distance is 1306 km / 811 miles and the average flight speed is 713 km/h / 443 mph.

What is the On-Time Performance (OTP) of Allegiant Air Flight G423 Great Falls to Las Vegas?

The Airportia On-Time Performance Rating for Allegiant Air Flight G423 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight G423 arriving at?

Flight G423 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.

When was the latest G423 flight?

The latest flight took off on Tuesday, February 10th, 2026 with the flight status being Landed on 19:04.

How else can the flight G423 be referenced as?

This Allegiant Air flight can also be referenced as AAY23, AAY023, G4023, G40023, G4 23, AAY 23.

How often is flight G423 delayed?

On average, 10% of all G423 flights are delayed. The average delay is 32 minutes.

Can I get compensation for my delayed or cancelled G423 flight or baggage issues?

If your G423 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.

See our G423 Flight Tracker above for more details.

G423 and Great Falls GTF to Las Vegas LAS Flights

Other flights departing from Great Falls GTF: AS3288, UA4782, AS3288, UA4782

Other flights arriving at Las Vegas LAS: UA317, WN3193, AS2077, AA1274

All flights connecting Great Falls GTF to Las Vegas LAS.

G423 Allegiant Air Flight: Great Falls to Las Vegas Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.