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Flight Reliability

F9 3506 · Frontier Airlines

Orlando → San Juan (MCO–SJU)

56
A Little Dicey
WanderNerd Reliability Score
63%
Arrive within 15 minutes
32 min
Average arrival delay
1.1%
Cancelled
5 min
Median arrival delay

Based on 174 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

F9 3506 departing between 9 PM–12 AM arrived on time 77% of the time, versus 51% between 6–9 PM.

Friday is doing you no favors.

F9 3506 arrived on time 70% of the time on Thursdays. On Fridays: 56%.

Lagging the MCO–SJU route.

F9 3506 arrived on time 63% of the time, versus 74% across the MCO–SJU route.

Lagging the Frontier Airlines network.

F9 3506 arrived on time 63% of the time, versus 73% across the Frontier Airlines network.

The breakdown

On-time by weekday
  • Mon61%(31 flights)
  • Tue67%(15 flights)
  • Wed64%(14 flights)
  • Thu70%(30 flights)
  • Fri56%(27 flights)
  • Sat67%(21 flights)
  • Sun59%(34 flights)
On-time by departure window
  • 12–3 PM—(1 flights)
  • 3–6 PM69%(88 flights)
  • 6–9 PM51%(70 flights)
  • 9 PM–12 AM77%(13 flights)
On-time trend by month
64%
Apr

Jun 55% → Apr 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%22
July 202581%21
August 202563%27
September 202577%22
November 202583%12
February 202653%15
March 202633%24
April 202664%11
Departures on time
61%
Diverted
0%
Flights flown
172
Months covered
12

Same route, other flights

Keep nerding

Based on 174 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.