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WanderNerd

Flight Reliability

G4 401 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 401 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

70%
Arrive within 15 minutes
15 min
Average arrival delay
0%
Cancelled
0 min
Median arrival delay

Based on 94 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon75%(32 flights)
  • Tue(0 flights)
  • Wed(8 flights)
  • Thu(9 flights)
  • Fri86%(22 flights)
  • Sat58%(12 flights)
  • Sun46%(11 flights)
On-time by departure window
  • 6–9 AM79%(19 flights)
  • 9 AM–12 PM(6 flights)
  • 12–3 PM75%(24 flights)
  • 3–6 PM60%(20 flights)
  • 6–9 PM60%(20 flights)
  • 9 PM–12 AM(5 flights)
On-time trend by month
58%
Mar

Jul 50% → Mar 58% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202550%20
January 202670%10
March 202658%12
Departures on time
72%
Diverted
0%
Flights flown
94
Months covered
12

Based on 94 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.