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WanderNerd

Flight Reliability

G4 378 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 378 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

59%
Arrive within 15 minutes
34 min
Average arrival delay
0%
Cancelled
7 min
Median arrival delay

Based on 80 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon67%(27 flights)
  • Tue(7 flights)
  • Wed(1 flights)
  • Thu64%(11 flights)
  • Fri46%(13 flights)
  • Sat(9 flights)
  • Sun42%(12 flights)
On-time by departure window
  • 6–9 AM(1 flights)
  • 9 AM–12 PM73%(26 flights)
  • 12–3 PM(5 flights)
  • 3–6 PM(8 flights)
  • 6–9 PM50%(40 flights)
On-time trend by month
57%
Mar

Jul 50% → Mar 57% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202550%10
October 202570%10
March 202657%14
Departures on time
61%
Diverted
0%
Flights flown
80
Months covered
11

Based on 80 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.