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WanderNerd

Flight Reliability

G4 55 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 55 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

71%
Arrive within 15 minutes
41 min
Average arrival delay
0.9%
Cancelled
5 min early
Median arrival delay

Based on 109 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon85%(26 flights)
  • Tue(0 flights)
  • Wed73%(15 flights)
  • Thu56%(16 flights)
  • Fri77%(30 flights)
  • Sat(5 flights)
  • Sun50%(16 flights)
On-time by departure window
  • 6–9 AM(4 flights)
  • 9 AM–12 PM(2 flights)
  • 12–3 PM67%(21 flights)
  • 3–6 PM81%(31 flights)
  • 6–9 PM(3 flights)
  • 9 PM–12 AM64%(47 flights)
On-time trend by month
100%
Dec

Jun 67% → Dec 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%12
July 202554%13
December 2025100%13
Departures on time
72%
Diverted
0%
Flights flown
108
Months covered
12

Based on 109 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.