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Flight Reliability

F9 2861 · Frontier Airlines

Philadelphia → Jacksonville (PHL–JAX)

43
Bring Snacks
WanderNerd Reliability Score
61%
Arrive within 15 minutes
22 min
Average arrival delay
4.9%
Cancelled
2 min
Median arrival delay

Based on 142 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

F9 2861 departing between 12–3 PM arrived on time 75% of the time, versus 56% between 6–9 PM.

Friday is doing you no favors.

F9 2861 arrived on time 77% of the time on Saturdays and just 54% on Fridays. That gap is worth planning around.

Lagging the PHL–JAX route.

F9 2861 arrived on time 61% of the time, versus 75% across the PHL–JAX route.

Lagging the Frontier Airlines network.

F9 2861 arrived on time 61% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon54%(24 flights)
  • Tue—(4 flights)
  • Wed—(2 flights)
  • Thu66%(35 flights)
  • Fri54%(28 flights)
  • Sat77%(13 flights)
  • Sun55%(29 flights)
On-time by departure window
  • 3–6 AM—(4 flights)
  • 6–9 AM—(2 flights)
  • 12–3 PM75%(16 flights)
  • 3–6 PM67%(12 flights)
  • 6–9 PM56%(101 flights)
On-time trend by month
56%
May

Aug 73% → May 56% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
August 202573%11
December 202552%21
January 202647%17
February 202679%14
March 202679%19
April 202662%13
May 202656%18
Departures on time
63%
Diverted
0%
Flights flown
135
Months covered
10

Same route, other flights

Keep nerding

Based on 142 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.