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Flight Reliability

F9 2172 · Frontier Airlines

Atlanta → Fort Lauderdale (ATL–FLL)

81
Pretty Reliable
WanderNerd Reliability Score
75%
Arrive within 15 minutes
14 min
Average arrival delay
0%
Cancelled
4 min early
Median arrival delay

Based on 161 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 2172 departing between 9 PM–12 AM arrived on time 79% of the time, versus 60% between 9 AM–12 PM.

Saturdays have been rough.

F9 2172 arrived on time 82% of the time on Wednesdays and just 67% on Saturdays. That gap is worth planning around.

A bit ahead of the ATL–FLL route.

F9 2172 arrived on time 75% of the time, versus 70% across the ATL–FLL route.

It basically never cancels.

Out of 161 scheduled flights, only 0.0% were cancelled.

The breakdown

On-time by weekday
  • Mon76%(29 flights)
  • Tue75%(12 flights)
  • Wed82%(11 flights)
  • Thu77%(31 flights)
  • Fri79%(29 flights)
  • Sat67%(18 flights)
  • Sun68%(31 flights)
On-time by departure window
  • 3–6 AM—(3 flights)
  • 6–9 AM74%(69 flights)
  • 9 AM–12 PM60%(15 flights)
  • 12–3 PM—(6 flights)
  • 3–6 PM—(7 flights)
  • 6–9 PM—(8 flights)
  • 9 PM–12 AM79%(53 flights)
On-time trend by month
92%
May

Sep 95% → May 92% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
September 202595%21
October 202568%19
November 202570%10
January 202669%16
February 202660%20
March 202658%26
April 202691%21
May 202692%12
Departures on time
71%
Diverted
0%
Flights flown
161
Months covered
11

Same route, other flights

Keep nerding

Based on 161 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.