Skip to content
WanderNerd

Flight Reliability

G4 979 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 979 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

74%
Arrive within 15 minutes
28 min
Average arrival delay
0%
Cancelled
2 min early
Median arrival delay

Based on 145 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon83%(18 flights)
  • Tue64%(14 flights)
  • Wed80%(15 flights)
  • Thu80%(30 flights)
  • Fri73%(22 flights)
  • Sat64%(22 flights)
  • Sun71%(24 flights)
On-time by departure window
  • 6–9 AM(5 flights)
  • 9 AM–12 PM89%(35 flights)
  • 12–3 PM(6 flights)
  • 3–6 PM66%(58 flights)
  • 6–9 PM76%(41 flights)
On-time trend by month
50%
May

Jun 83% → May 50% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202583%18
July 202577%13
September 202571%14
October 202577%13
November 202567%15
December 202577%13
January 202686%14
April 202690%10
May 202650%10
Departures on time
79%
Diverted
0%
Flights flown
145
Months covered
12

Based on 145 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.