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WanderNerd

Flight Reliability

G4 1558 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 1558 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

82%
Arrive within 15 minutes
18 min
Average arrival delay
0%
Cancelled
9 min early
Median arrival delay

Based on 63 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon(9 flights)
  • Tue(4 flights)
  • Wed(4 flights)
  • Thu93%(14 flights)
  • Fri82%(11 flights)
  • Sat(6 flights)
  • Sun86%(14 flights)
On-time by departure window
  • 6–9 AM88%(33 flights)
  • 9 AM–12 PM(5 flights)
  • 12–3 PM74%(19 flights)
  • 3–6 PM(1 flights)
  • 6–9 PM(4 flights)
On-time trend by month
80%
May

Oct 100% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
October 2025100%11
November 202580%10
April 202670%10
May 202680%10
Departures on time
84%
Diverted
1.6%
Flights flown
62
Months covered
8

Based on 63 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.