Skip to content
WanderNerd

Flight Reliability

G4 1604 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 1604 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

79%
Arrive within 15 minutes
16 min
Average arrival delay
0.5%
Cancelled
5 min early
Median arrival delay

Based on 195 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon65%(37 flights)
  • Tue(3 flights)
  • Wed100%(13 flights)
  • Thu84%(45 flights)
  • Fri74%(38 flights)
  • Sat83%(12 flights)
  • Sun83%(46 flights)
On-time by departure window
  • 6–9 AM96%(22 flights)
  • 9 AM–12 PM90%(40 flights)
  • 12–3 PM82%(78 flights)
  • 3–6 PM77%(13 flights)
  • 6–9 PM50%(34 flights)
  • 9 PM–12 AM(7 flights)
On-time trend by month
72%
May

Jun 75% → May 72% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%20
July 202550%16
August 202595%19
October 202588%17
November 202591%11
December 202567%15
January 202692%26
February 202692%13
March 202664%14
April 202677%17
May 202672%18
Departures on time
81%
Diverted
0%
Flights flown
194
Months covered
12

Based on 195 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.