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Flight Reliability

F9 1016 · Frontier Airlines

Philadelphia → San Juan (PHL–SJU)

54
A Little Dicey
WanderNerd Reliability Score
65%
Arrive within 15 minutes
18 min
Average arrival delay
3.6%
Cancelled
2 min
Median arrival delay

Based on 330 historical flights. Data through May 2026.

What the data says

The 9 AM–12 PM departure wins.

F9 1016 departing between 9 AM–12 PM arrived on time 73% of the time, versus 64% between 6–9 AM.

Mondays have been rough.

F9 1016 arrived on time 79% of the time on Fridays and just 50% on Mondays. That gap is worth planning around.

Lagging the Frontier Airlines network.

F9 1016 arrived on time 65% of the time, versus 73% across the Frontier Airlines network.

Keep a backup plan handy.

F9 1016 was cancelled 3.6% of the time. Typical for U.S. flights is around 1–2%.

The breakdown

On-time by weekday
  • Mon50%(50 flights)
  • Tue71%(42 flights)
  • Wed70%(40 flights)
  • Thu74%(46 flights)
  • Fri79%(47 flights)
  • Sat63%(48 flights)
  • Sun52%(44 flights)
On-time by departure window
  • 6–9 AM64%(259 flights)
  • 9 AM–12 PM73%(55 flights)
  • 12–3 PM—(3 flights)
On-time trend by month
81%
May

Jun 71% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%28
July 202555%31
August 202568%25
September 202564%28
October 202574%31
November 202574%27
December 202559%22
January 202650%16
February 202638%21
March 202660%30
April 202674%27
May 202681%31
Departures on time
79%
Diverted
0.3%
Flights flown
317
Months covered
12

Same route, other flights

Keep nerding

Based on 330 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.