G4121Allegiant Air · DSM → LAS
live · 33m ago
Route confirmed Allegiant Air

G4121 Des MoinesDSM Las VegasLAS

G4121 by Allegiant Air flies from Des Moines (DSM) to Las Vegas (LAS).

Right nowNext departure tomorrow Operates Mon Wed Thu Fri Sun
13:47

scheduled from DSM

The route today

live boards
DSMDes MoinesOn-time likelyDSM delay board →
LASLas VegasOn-time likelyLAS delay board →
DSM→LASevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
44%Chance of 15+ min delay
0.6%Chance of cancellation
+16 minTypical airport delay in this weather

Driven mainly by DSM (Des Moines), currently flying MVFR (marginal visual). These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Des Moines

Forecast

Fri 6 Nov, local date

High8°Clikely 7°C to 10°C
Low4°Clikely 2°C to 6°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Las Vegas

Forecast

Fri 6 Nov, local date

High22°Clikely 21°C to 23°C
Low12°Clikely 11°C to 14°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Des Moines to Las Vegas flights today

same route · Allegiant Air
G453departs 00:10
G4122departs 07:45
G4438departs 12:35
G41654departs 13:02
G499departs 13:25
G41625departs 14:42

If G4121 is cancelled, these are the other Allegiant Air nonstop flights from Des Moines to Las Vegas on the same day, with scheduled departure times in DSM local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How G4121 actually runs

Pro Flight Search has tracked every published board update for G4121 across the DSM and LAS boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at DSM and LAS.

The verdict above is that record speaking, so it reflects how G4121 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around G4121? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: G4121 Des Moines to Las Vegas on-time performance, measured from the DSM and LAS airport boards.

Canonical URL
https://proflightsearch.com/flight/G4121
How we measure this →