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WanderNerd

Flight Reliability

G4 277 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 277 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

86%
Arrive within 15 minutes
11 min
Average arrival delay
0%
Cancelled
8 min early
Median arrival delay

Based on 88 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon80%(15 flights)
  • Tue(5 flights)
  • Wed(5 flights)
  • Thu83%(24 flights)
  • Fri92%(13 flights)
  • Sat(0 flights)
  • Sun85%(26 flights)
On-time by departure window
  • 6–9 AM(5 flights)
  • 9 AM–12 PM(2 flights)
  • 12–3 PM100%(24 flights)
  • 3–6 PM(4 flights)
  • 6–9 PM77%(53 flights)
On-time trend by month
80%
Apr

Jun 100% → Apr 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%13
July 2025100%11
January 202690%10
March 202692%13
April 202680%10
Departures on time
86%
Diverted
0%
Flights flown
88
Months covered
11

Based on 88 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.