Flight Reliability
F9 1521 · Frontier Airlines
Atlanta → Salt Lake City (ATL–SLC)
Not enough history
Only 6 flights in the data. We don't publish a score on samples this small.
- 67%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 0%
- Cancelled
- 8 min early
- Median arrival delay
Based on 6 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—(2 flights)
- Tue—(0 flights)
- Wed—(2 flights)
- Thu—(0 flights)
- Fri—(2 flights)
- Sat—(0 flights)
- Sun—(0 flights)
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 6
- Months covered
- 1
Same route, other flights
Keep nerding
Based on 6 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.