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WanderNerd

Flight Reliability

G4 12 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 12 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

89%
Arrive within 15 minutes
1 min early
Average arrival delay
1.8%
Cancelled
10 min early
Median arrival delay

Based on 111 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon(1 flights)
  • Tue(1 flights)
  • Wed100%(13 flights)
  • Thu84%(37 flights)
  • Fri(4 flights)
  • Sat100%(17 flights)
  • Sun89%(36 flights)
On-time by departure window
  • 6–9 AM93%(41 flights)
  • 9 AM–12 PM100%(15 flights)
  • 12–3 PM92%(24 flights)
  • 3–6 PM82%(22 flights)
  • 9 PM–12 AM(7 flights)
On-time trend by month
78%
May

Feb 100% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
February 2026100%11
March 202693%14
April 202677%17
May 202678%18
Departures on time
88%
Diverted
0%
Flights flown
109
Months covered
11

Based on 111 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.