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WanderNerd

Flight Reliability

G4 508 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 508 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

68%
Arrive within 15 minutes
20 min
Average arrival delay
1.0%
Cancelled
1 min
Median arrival delay

Based on 96 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon91%(11 flights)
  • Tue91%(11 flights)
  • Wed73%(15 flights)
  • Thu64%(14 flights)
  • Fri59%(17 flights)
  • Sat70%(10 flights)
  • Sun47%(17 flights)
On-time by departure window
  • 6–9 AM78%(51 flights)
  • 9 AM–12 PM(7 flights)
  • 12–3 PM(6 flights)
  • 3–6 PM65%(17 flights)
  • 6–9 PM33%(12 flights)
  • 9 PM–12 AM(2 flights)
On-time trend by month
50%
May

Jul 77% → May 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202577%13
December 202573%15
January 202664%11
May 202650%10
Departures on time
68%
Diverted
0%
Flights flown
95
Months covered
12

Based on 96 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.