G4554Allegiant Air · PHL → GRR
live · 58m ago
Route confirmed Allegiant Air

G4554 PhiladelphiaPHL Grand RapidsGRR

G4554 by Allegiant Air flies from Philadelphia (PHL) to Grand Rapids (GRR).

Right nowNext departure Friday Operates Mon Fri
18:46

scheduled from PHL

The route today

live boards
PHLPhiladelphiaOn-time likelyPHL delay board →
GRRGrand RapidsHigh riskGRR delay board →
PHL→GRRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
39%Chance of 15+ min delay
0.8%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions 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. 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 PHL

Forecast

Wed 4 Nov, local date

High23°Clikely 21°C to 24°C
Low12°Clikely 10°C to 15°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 Grand Rapids

Forecast

Wed 4 Nov, local date

High19°Clikely 18°C to 21°C
Low13°Clikely 9°C to 16°C
  • 97% 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.

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 Philadelphia to Grand Rapids flights

same route · Allegiant Air
G4584departs 14:41 · Mon, Fri
G4583departs 15:27 · Mon, Fri
G42171departs 16:42 · Mon, Fri
G42207departs 16:44 · Mon, Fri
G42209departs 18:34 · Mon, Fri
G4562departs 19:58 · Mon, Fri

If G4554 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How G4554 actually runs

Pro Flight Search has tracked every published board update for G4554 across the PHL and GRR boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at PHL and GRR.

The verdict above is that record speaking, so it reflects how G4554 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around G4554? 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: G4554 Philadelphia to Grand Rapids on-time performance, measured from the PHL and GRR airport boards.

Canonical URL
https://proflightsearch.com/flight/G4554
How we measure this →