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WanderNerd

Flight Reliability

G4 644 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 644 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

82%
Arrive within 15 minutes
5 min
Average arrival delay
0.9%
Cancelled
9 min early
Median arrival delay

Based on 109 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon96%(23 flights)
  • Tue100%(15 flights)
  • Wed(3 flights)
  • Thu69%(16 flights)
  • Fri63%(24 flights)
  • Sat82%(11 flights)
  • Sun88%(16 flights)
On-time by departure window
  • 6–9 AM(3 flights)
  • 9 AM–12 PM80%(30 flights)
  • 12–3 PM100%(14 flights)
  • 3–6 PM(5 flights)
  • 6–9 PM78%(23 flights)
  • 9 PM–12 AM82%(33 flights)
On-time trend by month
100%
May

Jun 92% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%13
July 202579%14
May 2026100%10
Departures on time
82%
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.