Allegiant AirG4
Flights G43508 Th Su
live
Direct flights from Grand Rapids (GRR) to West Palm Beach (PBI): 2 nonstop departures observed each week across 1 airline. The nonstop covers 1,867 km, an estimated 2 hours 54 minutes in the air. Measured by Pro Flight Search from live flight boards at Grand Rapids and West Palm Beach. Updated 18 October 2026 at 02:48 UTC.
GRR
Grand Rapids
busy · +15
PBI
West Palm Beach
smooth · +0
1,867 km · ~2h 54m est.
Running clean · 1 airline · 2x weekly · nonstop
90 / 100
route health from live GRR and PBI delay boards
Flight time~2h 54mestimated from route distance
Weekly departures2x1 direct airline on the leg
Who flies it
observed on the boards · 7 daysAirports right now
live boardsnext sweep in 120s
How the Grand Rapids to West Palm Beach route actually runs
Pro Flight Search records official board updates for nonstop GRR to PBI flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
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Suggested citation
Pro Flight Search: Grand Rapids (GRR) to West Palm Beach (PBI) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/GRR-PBI
GRR to PBI questions
Is GRR–PBI running on time right now?
Smooth skies ahead. The departure side at GRR is the weaker end, route health score 90/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from GRR to PBI?
Great-circle distance is 1,867 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 162–190 min gate-to-gate on this route.
How often does GRR–PBI fly?
Allegiant Air runs the route with about 2 flights a week (sun, thu). Since one carrier owns the route, a single disruption tends to ripple through the day.
What does the route health score measure?
A blend of departure-side delay at GRR and arrival-side delay at PBI, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.
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