Flight Reliability
G4 3421 · Allegiant Air
Nashville → GUF (BNA–GUF)88% of its flights flew this route. The rest (CVG–FLL) are included in these numbers.
Not enough history
Only 16 flights in the data. We don't publish a score on samples this small.
- 57%
- Arrive within 15 minutes
- 30 min
- Average arrival delay
- 6.3%
- Cancelled
- 2 min
- Median arrival delay
Based on 16 historical flights. Data through May 2026.We don't have enough history to call this one yet. Under 30 flights is an anecdote, not a statistic.
The breakdown
- Mon—(0 flights)
- Tue—(1 flights)
- Wed—(1 flights)
- Thu—(4 flights)
- Fri—(0 flights)
- Sat—(3 flights)
- Sun—(5 flights)
- 9 AM–12 PM—(1 flights)
- 12–3 PM—(1 flights)
- 3–6 PM67%(12 flights)
- Departures on time
- 53%
- Diverted
- 6.3%
- Flights flown
- 14
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 16 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.