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WanderNerd

Flight Reliability

F9 3003 · Frontier Airlines

San Juan → Charlotte (SJUCLT)

62
A Little Dicey
WanderNerd Reliability Score
65%
Arrive within 15 minutes
14 min
Average arrival delay
2.4%
Cancelled
4 min
Median arrival delay

Based on 83 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 3003 departing between 6–9 AM arrived on time 78% of the time, versus 62% between 3–6 PM.

Tuesdays have been rough.

F9 3003 arrived on time 80% of the time on Saturdays and just 58% on Tuesdays. That gap is worth planning around.

Well behind the SJU–CLT route.

F9 3003 arrived on time 65% of the time, versus 85% across the SJU–CLT route.

Lagging the Frontier Airlines network.

F9 3003 arrived on time 65% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon(7 flights)
  • Tue58%(12 flights)
  • Wed(3 flights)
  • Thu61%(18 flights)
  • Fri(8 flights)
  • Sat80%(10 flights)
  • Sun61%(23 flights)
On-time by departure window
  • 6–9 AM78%(27 flights)
  • 9 AM–12 PM(9 flights)
  • 12–3 PM(3 flights)
  • 3–6 PM62%(42 flights)
On-time trend by month
69%
May

Jun 50% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202550%10
July 202571%14
March 202664%11
April 202650%12
May 202669%13
Departures on time
75%
Diverted
0%
Flights flown
81
Months covered
9

Based on 83 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.