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WanderNerd

Flight Reliability

G4 2599 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 2599 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

69%
Arrive within 15 minutes
11 min
Average arrival delay
0%
Cancelled
1 min
Median arrival delay

Based on 123 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(24 flights)
  • Tue(9 flights)
  • Wed(7 flights)
  • Thu96%(25 flights)
  • Fri63%(19 flights)
  • Sat50%(12 flights)
  • Sun60%(25 flights)
On-time by departure window
  • 6–9 AM86%(35 flights)
  • 9 AM–12 PM86%(29 flights)
  • 12–3 PM47%(15 flights)
  • 3–6 PM57%(21 flights)
  • 6–9 PM47%(17 flights)
  • 9 PM–12 AM(4 flights)
On-time trend by month
62%
Mar

Jun 64% → Mar 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%11
July 202559%17
September 202575%12
October 202574%23
December 202590%10
March 202662%13
Departures on time
78%
Diverted
1.6%
Flights flown
121
Months covered
12

Based on 123 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.