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Flight Reliability

F9 1872 · Frontier Airlines

Atlanta → New York (ATL–JFK)

78
Usually Fine
WanderNerd Reliability Score
78%
Arrive within 15 minutes
7 min
Average arrival delay
1.4%
Cancelled
6 min early
Median arrival delay

Based on 220 historical flights. Data through May 2026.

What the data says

Mornings have a slight edge.

Departures between 6–9 AM arrived on time 82% of the time, against 76% between 3–6 AM.

Saturdays have been rough.

F9 1872 arrived on time 100% of the time on Thursdays and just 63% on Saturdays. That gap is worth planning around.

A bit ahead of the ATL–JFK route.

F9 1872 arrived on time 78% of the time, versus 74% across the ATL–JFK route.

A bit ahead of the Frontier Airlines network.

F9 1872 arrived on time 78% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon85%(33 flights)
  • Tue75%(32 flights)
  • Wed72%(29 flights)
  • Thu100%(28 flights)
  • Fri73%(33 flights)
  • Sat63%(27 flights)
  • Sun77%(34 flights)
On-time by departure window
  • 3–6 AM76%(140 flights)
  • 6–9 AM82%(76 flights)
On-time trend by month
95%
Jan

Jun 66% → Jan 95% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202566%29
July 202577%30
August 202581%31
September 202577%22
October 202578%27
November 202586%28
December 202570%30
January 202695%19
Departures on time
78%
Diverted
0.5%
Flights flown
216
Months covered
8

Same route, other flights

Keep nerding

Based on 220 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.