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WanderNerd

Flight Reliability

G4 1 · Allegiant Air

Las Vegas → FAT (LASFAT)80% of its flights flew this route. The rest (LAS–BLI) are included in these numbers.

90
Nerd Approved
WanderNerd Reliability Score
89%
Arrive within 15 minutes
5 min early
Average arrival delay
0.9%
Cancelled
14 min early
Median arrival delay

Based on 111 historical flights. Data through May 2026.

What the data says

Morning-you made the right choice.

G4 1 departing between 9 AM–12 PM arrived on time 100% of the time, versus 81% between 3–6 PM.

Mondays have been rough.

G4 1 arrived on time 100% of the time on Wednesdays and just 71% on Mondays. That gap is worth planning around.

Better than the LAS–FAT route average.

G4 1 arrived on time 89% of the time, versus 80% across the LAS–FAT route.

Better than the Allegiant Air network average.

G4 1 arrived on time 89% of the time, versus 75% across the Allegiant Air network.

The breakdown

On-time by weekday
  • Mon71%(24 flights)
  • Tue73%(11 flights)
  • Wed100%(13 flights)
  • Thu92%(13 flights)
  • Fri100%(23 flights)
  • Sat100%(11 flights)
  • Sun93%(14 flights)
On-time by departure window
  • 6–9 AM92%(63 flights)
  • 9 AM–12 PM100%(13 flights)
  • 12–3 PM81%(16 flights)
  • 3–6 PM81%(16 flights)
  • 6–9 PM(1 flights)
On-time trend by month
96%
Aug

Jun 86% → Aug 96% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202586%29
July 202590%31
August 202596%28
Departures on time
86%
Diverted
0.9%
Flights flown
109
Months covered
6

Based on 111 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.