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Flight Reliability

F9 3700 · Frontier Airlines

Miami → Charlotte (MIA–CLT)

88
Pretty Reliable
WanderNerd Reliability Score
92%
Arrive within 15 minutes
13 min early
Average arrival delay
2.9%
Cancelled
16 min early
Median arrival delay

Based on 140 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 3700 departing between 6–9 AM arrived on time 98% of the time, versus 70% between 3–6 PM.

Sunday scaries are real for this one.

F9 3700 arrived on time 96% of the time on Mondays. On Sundays: 86%.

Better than the MIA–CLT route average.

F9 3700 arrived on time 92% of the time, versus 78% across the MIA–CLT route.

Well ahead of the Frontier Airlines network.

F9 3700 arrived on time 92% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon96%(23 flights)
  • Tue—(6 flights)
  • Wed—(6 flights)
  • Thu94%(32 flights)
  • Fri94%(34 flights)
  • Sat—(6 flights)
  • Sun86%(29 flights)
On-time by departure window
  • 6–9 AM98%(80 flights)
  • 9 AM–12 PM90%(10 flights)
  • 12–3 PM89%(26 flights)
  • 3–6 PM70%(10 flights)
  • 6–9 PM—(1 flights)
  • 9 PM–12 AM—(9 flights)
On-time trend by month
100%
Mar

Jun 100% → Mar 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 2025100%12
July 202585%13
August 202592%13
September 202594%17
December 202592%13
January 202693%15
February 202681%16
March 2026100%18
Departures on time
93%
Diverted
0%
Flights flown
136
Months covered
11

Same route, other flights

Keep nerding

Based on 140 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.