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WanderNerd

Flight Reliability

G4 997 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 997 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

63%
Arrive within 15 minutes
14 min
Average arrival delay
1.0%
Cancelled
3 min
Median arrival delay

Based on 99 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon92%(13 flights)
  • Tue63%(16 flights)
  • Wed(2 flights)
  • Thu53%(17 flights)
  • Fri79%(19 flights)
  • Sat54%(13 flights)
  • Sun39%(18 flights)
On-time by departure window
  • 6–9 AM91%(11 flights)
  • 9 AM–12 PM(3 flights)
  • 12–3 PM65%(17 flights)
  • 3–6 PM82%(17 flights)
  • 6–9 PM71%(34 flights)
  • 9 PM–12 AM0%(16 flights)
On-time trend by month
88%
Sep

Jun 42% → Sep 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202542%12
July 20258%13
September 202588%17
Departures on time
65%
Diverted
0%
Flights flown
98
Months covered
12

Based on 99 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.