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Airline Reliability

Allegiant Air

Carrier code G4 · 128,283 flights in the data

77
Usually Fine
WanderNerd Reliability Score
75%
Arrive within 15 minutes
15 min
Average arrival delay
0.6%
Cancelled
5 min early
Median arrival delay

Data through May 2026.

What the data says

Morning-you made the right choice.

Allegiant Air flights departing between 3–6 AM arrived on time 94% of the time, versus 59% between 9 PM–12 AM.

Skip Saturday if you can.

Allegiant Air flights arrived on time 81% of the time on Wednesdays. On Saturdays: 72%.

The breakdown

On-time by weekday
  • Mon75%(24134 flights)
  • Tue78%(6311 flights)
  • Wed81%(9297 flights)
  • Thu77%(24142 flights)
  • Fri75%(24129 flights)
  • Sat72%(13729 flights)
  • Sun72%(25320 flights)
On-time by departure window
  • 3–6 AM94%(18 flights)
  • 6–9 AM90%(25115 flights)
  • 9 AM–12 PM83%(24643 flights)
  • 12–3 PM75%(25254 flights)
  • 3–6 PM67%(25650 flights)
  • 6–9 PM62%(19441 flights)
  • 9 PM–12 AM59%(6941 flights)
On-time trend by month
74%
May

Jun 70% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%13676
July 202571%13855
August 202577%10461
September 202583%6914
October 202579%10438
November 202578%9540
December 202570%11372
January 202676%8716
February 202679%9000
March 202673%12269
April 202677%10288
May 202674%10533

Busiest Allegiant Air routes

Biggest airports

Based on 128,283 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.