G421 Allegiant Air - Flight Status
Below, you can find details about Allegiant Air flight G421, which currently operates between the airports of Las Vegas - Las Vegas Harry Reid International Airport (Airport Code LAS) and Kalispell - Glacier Park International Airport (Airport Code FCA).
This flight data pertains specifically to the flight's details for Thursday, December 18, 2025.
Table of contents:
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights G421
Flight Status Additional Information Alternative Flights Punctuality and delays Last Past Flights G421
G421 On Time performance:
83
We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays Flight Status
G421 Allegiant Air to Kalispell
Scheduled - On-time
Flight Status for Thursday December 18, 2025
Scheduled - On-time
Flight Status for Thursday December 18, 2025
Airline information
Allegiant Air
Equipment: Airbus A319
Departure
Las Vegas (LAS)
December 18, 2025
Las Vegas Harry Reid International Airport
Estimated Departure Time:
05:33 pm
Terminal:
1
Gate:
-
Scheduled Departure Time: 05:33 pm
Arrival
Kalispell (FCA)
December 18, 2025
Glacier Park International Airport
Estimated Arrival Time:
09:03 pm
Terminal:
-
Gate:
-
Scheduled Arrival Time: 09:03 pm
Disclaimer
The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.las-vegas-airport.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.
Additional Information
Which is the frequency of flight G421?
The flight G421 is scheduled to flight on Tuesday, Thursday, Saturday, Sunday on a weekly basis.
Which is the distance of flight G421?
The distance between the two airports is 846 miles.
Which is the flight time of flight G421?
The scheduled flight time gate to gate is: 02:30 hours.
The real flight time gate to gate on average is: 02:55 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Las Vegas: 2025-12-17 02:34:55
Current Time in Kalispell: 2025-12-17 03:34:55
The flight G421 is scheduled to flight on Tuesday, Thursday, Saturday, Sunday on a weekly basis.
Which is the distance of flight G421?
The distance between the two airports is 846 miles.
Which is the flight time of flight G421?
The scheduled flight time gate to gate is: 02:30 hours.
The real flight time gate to gate on average is: 02:55 hours.
Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Las Vegas: 2025-12-17 02:34:55
Current Time in Kalispell: 2025-12-17 03:34:55
Alternative Flights
Allegiant Air is the only airline operating the route from Las Vegas to Kalispell.
Punctuality and delays
We have gathered data from recent months and present below an analysis of how timely the flights have been.
Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from November 25, 2025 to December 14, 2025, we have obtained these figures.
Total number of flights: 6
On Time: 5 ( 83 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 17 % )
Average Delay: 35 minutes.
Total number of flights: 6
On Time: 5 ( 83 % )
Moderate Delay: 0 ( 0 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 1 ( 17 % )
Average Delay: 35 minutes.
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Last Past Flights G421
Date
Departure
Arrival
Duration
Aircraft
Status
Sunday
14 December
14 December
06:15 am
Las Vegas (LAS)
Las Vegas (LAS)
09:31 am
Kalispell (FCA)
Kalispell (FCA)
02h 16min
Airbus A319
Airbus A319
Landed - On-time
Thursday
11 December
11 December
06:19 am
Las Vegas (LAS)
Las Vegas (LAS)
09:43 am
Kalispell (FCA)
Kalispell (FCA)
02h 24min
Airbus A319
Airbus A319
Landed - On-time
Sunday
07 December
07 December
06:13 am
Las Vegas (LAS)
Las Vegas (LAS)
09:43 am
Kalispell (FCA)
Kalispell (FCA)
02h 30min
Airbus A319
Airbus A319
Landed - On-time
Thursday
04 December
04 December
06:09 am
Las Vegas (LAS)
Las Vegas (LAS)
01:18 pm
Boise (BOI)
Boise (BOI)
06h 09min
Airbus A319
Airbus A319
Landed - DIVERTED
Saturday
29 November
29 November
06:00 am
Las Vegas (LAS)
Las Vegas (LAS)
09:36 am
Kalispell (FCA)
Kalispell (FCA)
02h 36min
Airbus A319
Airbus A319
Landed - On-time
Tuesday
25 November
25 November
07:23 am
Las Vegas (LAS)
Las Vegas (LAS)
11:00 am
Kalispell (FCA)
Kalispell (FCA)
02h 37min
Airbus A320 (s
Airbus A320 (s
Landed - On-time