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Flight Reliability

F9 4347 · Frontier Airlines

New York → Atlanta (LGA–ATL)

35
Bring Snacks
WanderNerd Reliability Score
61%
Arrive within 15 minutes
46 min
Average arrival delay
3.7%
Cancelled
4 min
Median arrival delay

Based on 297 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 4347 departing between 9 AM–12 PM arrived on time 67% of the time, versus 49% between 3–6 PM.

Mondays have been rough.

F9 4347 arrived on time 67% of the time on Thursdays and just 49% on Mondays. That gap is worth planning around.

Lagging the LGA–ATL route.

F9 4347 arrived on time 61% of the time, versus 76% across the LGA–ATL route.

Lagging the Frontier Airlines network.

F9 4347 arrived on time 61% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon49%(37 flights)
  • Tue56%(43 flights)
  • Wed65%(40 flights)
  • Thu67%(39 flights)
  • Fri66%(41 flights)
  • Sat64%(44 flights)
  • Sun61%(41 flights)
On-time by departure window
  • 9 AM–12 PM67%(142 flights)
  • 12–3 PM61%(64 flights)
  • 3–6 PM49%(37 flights)
  • 6–9 PM—(1 flights)
  • 9 PM–12 AM54%(41 flights)
On-time trend by month
46%
May

Jun 55% → May 46% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%29
July 202564%28
August 202571%31
September 202570%30
October 202566%29
November 202564%25
December 202553%17
January 202677%22
March 202627%22
April 202671%17
May 202646%26
Departures on time
62%
Diverted
0.3%
Flights flown
285
Months covered
12

Same route, other flights

Keep nerding

Based on 297 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.