Flight Reliability
NK 2631 · Spirit Airlines
Fort Lauderdale → Charlotte (FLL–CLT)83% of its flights flew this route. The rest (LAS–OAK) are included in these numbers.
81
Pretty Reliable
WanderNerd Reliability Score
- 73%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0%
- Cancelled
- 4 min early
- Median arrival delay
Based on 63 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
NK 2631 departing between 9 AM–12 PM arrived on time 91% of the time, versus 68% between 6–9 PM.
Sunday scaries are real for this one.
NK 2631 arrived on time 77% of the time on Thursdays and just 62% on Sundays. That gap is worth planning around.
A bit behind the FLL–CLT route.
NK 2631 arrived on time 73% of the time, versus 79% across the FLL–CLT route.
The breakdown
- Mon69%(13 flights)
- Tue—(2 flights)
- Wed—(2 flights)
- Thu77%(13 flights)
- Fri69%(13 flights)
- Sat—(7 flights)
- Sun62%(13 flights)
- 9 AM–12 PM91%(11 flights)
- 12–3 PM72%(18 flights)
- 6–9 PM68%(34 flights)
71%
Oct
Jun 91% → Oct 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 91% | 11 |
| August 2025 | 64% | 14 |
| September 2025 | 71% | 17 |
| October 2025 | 71% | 21 |
- Departures on time
- 75%
- Diverted
- 0%
- Flights flown
- 63
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 63 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.