Flight Reliability
G4 3490 · Allegiant Air
Grand Rapids → Jacksonville (GRR–JAX)90% of its flights flew this route. The rest (GRR–PHL) are included in these numbers.
98
Nerd Approved
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 3 min early
- Average arrival delay
- 0%
- Cancelled
- 9 min early
- Median arrival delay
Based on 30 historical flights. Data through May 2026.
What the data says
Friday comes out ahead.
A small edge: 93% on time on Fridays against 87% on Mondays.
Better than the GRR–JAX route average.
G4 3490 arrived on time 90% of the time, versus 80% across the GRR–JAX route.
Well ahead of the Allegiant Air network.
G4 3490 arrived on time 90% of the time, versus 75% across the Allegiant Air network.
The breakdown
- Mon87%(15 flights)
- Tue—(0 flights)
- Wed—(0 flights)
- Thu—(0 flights)
- Fri93%(15 flights)
- Sat—(0 flights)
- Sun—(0 flights)
- 6–9 AM95%(20 flights)
- 9 AM–12 PM—(7 flights)
- 12–3 PM—(3 flights)
- Departures on time
- 90%
- Diverted
- 0%
- Flights flown
- 30
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 30 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.