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Flight Reliability

F9 2271 · Frontier Airlines

Miami → Atlanta (MIA–ATL)

82
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
9 min
Average arrival delay
1.1%
Cancelled
6 min early
Median arrival delay

Based on 94 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

F9 2271 departing between 3–6 PM arrived on time 100% of the time, versus 74% between 9 AM–12 PM.

Sunday scaries are real for this one.

F9 2271 arrived on time 100% of the time on Wednesdays and just 57% on Sundays. That gap is worth planning around.

A bit ahead of the MIA–ATL route.

F9 2271 arrived on time 79% of the time, versus 73% across the MIA–ATL route.

A bit ahead of the Frontier Airlines network.

F9 2271 arrived on time 79% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon71%(14 flights)
  • Tue86%(14 flights)
  • Wed100%(14 flights)
  • Thu—(7 flights)
  • Fri76%(21 flights)
  • Sat—(9 flights)
  • Sun57%(14 flights)
On-time by departure window
  • 9 AM–12 PM74%(34 flights)
  • 12–3 PM77%(43 flights)
  • 3–6 PM100%(12 flights)
  • 6–9 PM—(4 flights)
On-time trend by month
77%
Mar

Sep 92% → Mar 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202592%12
January 202679%14
February 202671%14
March 202677%26
Departures on time
75%
Diverted
0%
Flights flown
93
Months covered
8

Same route, other flights

Keep nerding

Based on 94 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.