Flight Reliability
NK 1686 · Spirit Airlines
Pittsburgh → Fort Lauderdale (PIT–FLL)88% of its flights flew this route. The rest (IND–MCO) are included in these numbers.
- 61%
- Arrive within 15 minutes
- 20 min
- Average arrival delay
- 3.8%
- Cancelled
- 7 min
- Median arrival delay
Based on 78 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
NK 1686 departing between 6–9 PM arrived on time 73% of the time, versus 56% between 9 AM–12 PM.
Sunday scaries are real for this one.
NK 1686 arrived on time 80% of the time on Tuesdays and just 42% on Sundays. That gap is worth planning around.
Well behind the PIT–FLL route.
NK 1686 arrived on time 61% of the time, versus 81% across the PIT–FLL route.
Lagging the Spirit Airlines network.
NK 1686 arrived on time 61% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(9 flights)
- Tue80%(10 flights)
- Wed—(9 flights)
- Thu60%(15 flights)
- Fri50%(10 flights)
- Sat60%(10 flights)
- Sun42%(12 flights)
- 9 AM–12 PM56%(32 flights)
- 3–6 PM63%(32 flights)
- 6–9 PM73%(11 flights)
Jan 65% → Apr 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 65% | 23 |
| February 2026 | 73% | 11 |
| March 2026 | 42% | 19 |
| April 2026 | 77% | 13 |
- Departures on time
- 64%
- Diverted
- 0%
- Flights flown
- 75
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 78 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.