Flight Reliability
NK 3031 · Spirit Airlines
Atlanta → Miami (ATL–MIA)83% of its flights flew this route. The rest (ORD–SJU) are included in these numbers.
- 69%
- Arrive within 15 minutes
- 17 min
- Average arrival delay
- 7.0%
- Cancelled
- 2 min early
- Median arrival delay
Based on 115 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
NK 3031 departing between 9 AM–12 PM arrived on time 80% of the time, versus 47% between 6–9 PM.
Sunday scaries are real for this one.
NK 3031 arrived on time 85% of the time on Wednesdays and just 50% on Sundays. That gap is worth planning around.
A bit behind the Spirit Airlines network.
NK 3031 arrived on time 69% of the time, versus 74% across the Spirit Airlines network.
Keep a backup plan handy.
NK 3031 was cancelled 7.0% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon50%(16 flights)
- Tue75%(16 flights)
- Wed85%(13 flights)
- Thu75%(16 flights)
- Fri83%(18 flights)
- Sat64%(14 flights)
- Sun50%(14 flights)
- 6–9 AM72%(18 flights)
- 9 AM–12 PM80%(59 flights)
- 6–9 PM47%(30 flights)
Nov 73% → Apr 64% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 73% | 15 |
| January 2026 | 83% | 24 |
| February 2026 | 77% | 26 |
| March 2026 | 48% | 25 |
| April 2026 | 64% | 14 |
- Departures on time
- 65%
- Diverted
- 0%
- Flights flown
- 107
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 115 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.