G4572 PhiladelphiaPHL Grand RapidsGRR
G4572 by Allegiant Air flies from Philadelphia (PHL) to Grand Rapids (GRR).
scheduled from PHL
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PHL and GRR are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Philadelphia to Grand Rapids flights
same route · Allegiant AirIf G4572 is cancelled, these are the other Allegiant Air nonstop flights from Philadelphia to Grand Rapids, with scheduled departure times in PHL local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How G4572 actually runs
Pro Flight Search has tracked every published board update for G4572 across the PHL and GRR boards: schedule changes, gate pushes and actual clocks. Combined risk score: 7.3/100. Based on airport operations, weather, and cached board history at PHL and GRR.
The verdict above is that record speaking, so it reflects how G4572 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around G4572? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — G4572 Philadelphia to Grand Rapids on-time performance, measured from the PHL and GRR airport boards.
https://proflightsearch.com/flight/G4572
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