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Flight Reliability

F9 3442 · Frontier Airlines

Atlanta → Miami (ATL–MIA)

44
Bring Snacks
WanderNerd Reliability Score
56%
Arrive within 15 minutes
35 min
Average arrival delay
1.8%
Cancelled
8 min
Median arrival delay

Based on 285 historical flights. Data through May 2026.

What the data says

The 3–6 PM departure wins.

F9 3442 departing between 3–6 PM arrived on time 68% of the time, versus 54% between 6–9 PM.

Sunday scaries are real for this one.

F9 3442 arrived on time 67% of the time on Wednesdays and just 48% on Sundays. That gap is worth planning around.

Lagging the ATL–MIA route.

F9 3442 arrived on time 56% of the time, versus 71% across the ATL–MIA route.

Well behind the Frontier Airlines network.

F9 3442 arrived on time 56% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon54%(50 flights)
  • Tue56%(25 flights)
  • Wed67%(27 flights)
  • Thu56%(50 flights)
  • Fri66%(38 flights)
  • Sat50%(42 flights)
  • Sun48%(48 flights)
On-time by departure window
  • 12–3 PM—(2 flights)
  • 3–6 PM68%(19 flights)
  • 6–9 PM54%(69 flights)
  • 9 PM–12 AM56%(190 flights)
On-time trend by month
48%
May

Jun 50% → May 48% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%24
July 202559%27
August 202574%19
September 202565%17
October 202578%18
November 202540%20
December 202548%23
January 202642%24
February 202668%22
March 202639%28
April 202669%29
May 202648%29
Departures on time
54%
Diverted
0%
Flights flown
280
Months covered
12

Same route, other flights

Keep nerding

Based on 285 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.