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WanderNerd

Flight Reliability

G4 239 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 239 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

60%
Arrive within 15 minutes
34 min
Average arrival delay
2.1%
Cancelled
3 min early
Median arrival delay

Based on 95 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon56%(18 flights)
  • Tue(2 flights)
  • Wed(4 flights)
  • Thu77%(34 flights)
  • Fri(5 flights)
  • Sat40%(10 flights)
  • Sun45%(20 flights)
On-time by departure window
  • 6–9 AM93%(14 flights)
  • 9 AM–12 PM91%(11 flights)
  • 12–3 PM(3 flights)
  • 3–6 PM47%(32 flights)
  • 6–9 PM39%(18 flights)
  • 9 PM–12 AM67%(15 flights)
On-time trend by month
70%
Apr

Sep 85% → Apr 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202585%13
February 202664%11
March 202680%10
April 202670%10
Departures on time
66%
Diverted
0%
Flights flown
93
Months covered
12

Based on 95 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.