Flight Reliability
NK 2539 · Spirit Airlines
Orlando → Houston (MCO–IAH)
88
Pretty Reliable
WanderNerd Reliability Score
- 85%
- Arrive within 15 minutes
- 1 min
- Average arrival delay
- 1.3%
- Cancelled
- 10 min early
- Median arrival delay
Based on 80 historical flights. Data through May 2026.
What the data says
Saturdays have been rough.
NK 2539 arrived on time 100% of the time on Tuesdays and just 55% on Saturdays. That gap is worth planning around.
A bit ahead of the MCO–IAH route.
NK 2539 arrived on time 85% of the time, versus 82% across the MCO–IAH route.
Better than the Spirit Airlines network average.
NK 2539 arrived on time 85% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon80%(10 flights)
- Tue100%(11 flights)
- Wed100%(12 flights)
- Thu83%(12 flights)
- Fri92%(12 flights)
- Sat55%(11 flights)
- Sun82%(11 flights)
- 9 AM–12 PM90%(68 flights)
- 6–9 PM—(3 flights)
- 9 PM–12 AM—(8 flights)
90%
Oct
Aug 68% → Oct 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 68% | 19 |
| September 2025 | 90% | 29 |
| October 2025 | 90% | 31 |
- Departures on time
- 81%
- Diverted
- 0%
- Flights flown
- 79
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 80 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.