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Flight Reliability

G4 487 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 487 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

55%
Arrive within 15 minutes
24 min
Average arrival delay
1.4%
Cancelled
6 min
Median arrival delay

Based on 72 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(18 flights)
  • Tue(3 flights)
  • Wed(9 flights)
  • Thu(6 flights)
  • Fri54%(24 flights)
  • Sat(6 flights)
  • Sun(5 flights)
On-time by departure window
  • 6–9 AM85%(20 flights)
  • 9 AM–12 PM57%(23 flights)
  • 12–3 PM(4 flights)
  • 3–6 PM(6 flights)
  • 6–9 PM19%(16 flights)
  • 9 PM–12 AM(2 flights)
Departures on time
62%
Diverted
0%
Flights flown
71
Months covered
11

Based on 72 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.