G4583 Grand RapidsGRR · 14:01 PhiladelphiaPHL · 19:52
G4583 by Allegiant Air flies from Grand Rapids (GRR) to Philadelphia (PHL).
scheduled from GRR
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by GRR (Grand Rapids), currently flying MVFR (marginal visual). For this route and airline, 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Grand Rapids to Philadelphia flights
same route · Allegiant AirIf G4583 is cancelled, these are the other Allegiant Air nonstop flights from Grand Rapids to Philadelphia, with scheduled departure times in GRR local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How G4583 actually runs
Pro Flight Search has tracked every published board update for G4583 across the GRR and PHL boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left a little late (~6 min) but landed about 19 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how G4583 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N195NV.
Board clocks recorded as GRR and PHL published them.
Planning around G4583? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — G4583 Grand Rapids to Philadelphia on-time performance, measured from the GRR and PHL airport boards.
https://proflightsearch.com/flight/G4583
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