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WanderNerd

Flight Reliability

G4 636 · Allegiant Air

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and G4 636 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

92%
Arrive within 15 minutes
9 min early
Average arrival delay
0%
Cancelled
10 min early
Median arrival delay

Based on 145 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon100%(29 flights)
  • Tue82%(11 flights)
  • Wed83%(24 flights)
  • Thu100%(18 flights)
  • Fri91%(32 flights)
  • Sat82%(11 flights)
  • Sun95%(20 flights)
On-time by departure window
  • 6–9 AM97%(68 flights)
  • 9 AM–12 PM95%(43 flights)
  • 12–3 PM(5 flights)
  • 3–6 PM65%(17 flights)
  • 6–9 PM83%(12 flights)
On-time trend by month
80%
Mar

Jun 92% → Mar 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%13
July 202592%13
December 2025100%17
January 202696%25
February 202691%22
March 202680%15
Departures on time
93%
Diverted
0%
Flights flown
145
Months covered
12

Based on 145 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.