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Flight Reliability

G4 191 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 191 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

83%
Arrive within 15 minutes
3 min
Average arrival delay
1.1%
Cancelled
5 min early
Median arrival delay

Based on 92 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon78%(18 flights)
  • Tue(1 flights)
  • Wed95%(19 flights)
  • Thu(8 flights)
  • Fri80%(15 flights)
  • Sat84%(19 flights)
  • Sun60%(10 flights)
On-time by departure window
  • 6–9 AM83%(12 flights)
  • 9 AM–12 PM100%(17 flights)
  • 12–3 PM89%(18 flights)
  • 3–6 PM87%(15 flights)
  • 6–9 PM67%(24 flights)
  • 9 PM–12 AM(4 flights)
On-time trend by month
83%
Mar

Dec 67% → Mar 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
December 202567%12
January 202680%15
March 202683%12
Departures on time
84%
Diverted
1.1%
Flights flown
90
Months covered
12

Based on 92 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.