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Flight Reliability

F9 2173 · Frontier Airlines

Fort Lauderdale → Atlanta (FLL–ATL)

75
Usually Fine
WanderNerd Reliability Score
79%
Arrive within 15 minutes
6 min
Average arrival delay
3.1%
Cancelled
8 min early
Median arrival delay

Based on 360 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 9 AM–12 PM arrived on time 83% of the time, against 77% between 3–6 AM.

Saturdays have been rough.

F9 2173 arrived on time 89% of the time on Wednesdays and just 69% on Saturdays. That gap is worth planning around.

Better than the FLL–ATL route average.

F9 2173 arrived on time 79% of the time, versus 72% across the FLL–ATL route.

A bit ahead of the Frontier Airlines network.

F9 2173 arrived on time 79% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon77%(48 flights)
  • Tue84%(51 flights)
  • Wed89%(52 flights)
  • Thu76%(50 flights)
  • Fri80%(50 flights)
  • Sat69%(48 flights)
  • Sun78%(50 flights)
On-time by departure window
  • 3–6 AM77%(128 flights)
  • 6–9 AM80%(173 flights)
  • 9 AM–12 PM83%(48 flights)
On-time trend by month
90%
May

Jun 62% → May 90% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202562%26
July 202571%28
August 202581%31
September 202590%30
October 202597%31
November 202583%29
December 202575%28
January 202680%30
February 202667%27
March 202679%29
April 202670%30
May 202690%30
Departures on time
86%
Diverted
0%
Flights flown
349
Months covered
12

Same route, other flights

Keep nerding

Based on 360 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.