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Flight Reliability

F9 2284 · Frontier Airlines

Miami → San Juan (MIA–SJU)

67
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
18 min
Average arrival delay
3.1%
Cancelled
4 min early
Median arrival delay

Based on 224 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

F9 2284 departing between 9 AM–12 PM arrived on time 86% of the time, versus 66% between 9 PM–12 AM.

Saturdays have been rough.

F9 2284 arrived on time 83% of the time on Mondays and just 64% on Saturdays. That gap is worth planning around.

Keep a backup plan handy.

F9 2284 was cancelled 3.1% of the time. Typical for U.S. flights is around 1–2%.

Ticking up lately.

F9 2284 arrived on time 80% of the time over the last three months in the data, compared with 75% in the three months before that.

The breakdown

On-time by weekday
  • Mon83%(30 flights)
  • Tue76%(25 flights)
  • Wed83%(23 flights)
  • Thu65%(37 flights)
  • Fri80%(40 flights)
  • Sat64%(22 flights)
  • Sun78%(40 flights)
On-time by departure window
  • 6–9 AM68%(22 flights)
  • 9 AM–12 PM86%(42 flights)
  • 12–3 PM75%(28 flights)
  • 3–6 PM79%(72 flights)
  • 6–9 PM67%(12 flights)
  • 9 PM–12 AM66%(41 flights)
On-time trend by month
75%
May

Jun 68% → May 75% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%28
July 202570%23
August 202568%19
October 202567%15
November 202554%13
January 202688%17
February 202683%12
March 202683%24
April 202683%23
May 202675%28
Departures on time
71%
Diverted
0%
Flights flown
217
Months covered
12

Same route, other flights

Keep nerding

Based on 224 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.