G4577Allegiant Air · GRR → JAX
updated 4h ago
Route confirmed Allegiant Air

G4577 Grand RapidsGRR JacksonvilleJAX

G4577 by Allegiant Air flies from Grand Rapids (GRR) to Jacksonville (JAX).

Right nowNext departure tomorrow Operates Mon Fri
15:34

scheduled from GRR

The route today

live boards
GRRGrand RapidsOn-time likelyGRR delay board →
JAXJacksonvilleOn-time likelyJAX delay board →
GRR→JAXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.6%Chance of cancellation
+9 minTypical airport delay in this weather

Conditions at GRR and JAX are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Grand Rapids

Forecast

Thu 5 Nov, local date

High12°Clikely 11°C to 13°C
Low9°Clikely 7°C to 10°C
  • 93% chance of rain

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 Jacksonville

Forecast

Thu 5 Nov, local date

High29°Clikely 27°C to 30°C
Low20°Clikely 19°C to 22°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 Grand Rapids to Jacksonville flights

same route · Allegiant Air
G4546departs 11:00 · Mon, Fri
G4536departs 16:04 · Mon, Fri

If G4577 is cancelled, these are the other Allegiant Air nonstop flights from Grand Rapids to Jacksonville, with scheduled departure times in GRR 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 G4577 actually runs

Pro Flight Search has tracked every published board update for G4577 across the GRR and JAX boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at GRR and JAX.

The verdict above is that record speaking, so it reflects how G4577 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around G4577? 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: G4577 Grand Rapids to Jacksonville on-time performance, measured from the GRR and JAX airport boards.

Canonical URL
https://proflightsearch.com/flight/G4577
How we measure this →