Flight Reliability
NK 439 · Spirit Airlines
Orlando → Newark (MCO–EWR)
72
Usually Fine
WanderNerd Reliability Score
- 71%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 1.7%
- Cancelled
- 10 min early
- Median arrival delay
Based on 59 historical flights. Data through May 2026.
What the data says
A bit behind the MCO–EWR route.
NK 439 arrived on time 71% of the time, versus 74% across the MCO–EWR route.
A bit behind the Spirit Airlines network.
NK 439 arrived on time 71% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(8 flights)
- Tue—(8 flights)
- Wed—(8 flights)
- Thu—(9 flights)
- Fri—(9 flights)
- Sat—(8 flights)
- Sun—(8 flights)
- Departures on time
- 71%
- Diverted
- 0%
- Flights flown
- 58
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 59 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.