Flight Reliability
NK 1659 · Spirit Airlines
Atlanta → Newark (ATL–EWR)80% of its flights flew this route. The rest (LAS–PIT) are included in these numbers.
- 77%
- Arrive within 15 minutes
- 11 min
- Average arrival delay
- 5.9%
- Cancelled
- 5 min early
- Median arrival delay
Based on 102 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
NK 1659 departing between 6–9 AM arrived on time 88% of the time, versus 70% between 9 AM–12 PM.
Mondays have been rough.
NK 1659 arrived on time 95% of the time on Thursdays and just 56% on Mondays. That gap is worth planning around.
A bit ahead of the ATL–EWR route.
NK 1659 arrived on time 77% of the time, versus 73% across the ATL–EWR route.
A bit ahead of the Spirit Airlines network.
NK 1659 arrived on time 77% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon56%(16 flights)
- Tue—(8 flights)
- Wed—(8 flights)
- Thu95%(19 flights)
- Fri74%(19 flights)
- Sat—(9 flights)
- Sun77%(17 flights)
- 3–6 AM75%(51 flights)
- 6–9 AM88%(25 flights)
- 9 AM–12 PM70%(20 flights)
Jul 77% → Apr 86% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 77% | 13 |
| January 2026 | 100% | 12 |
| February 2026 | 80% | 20 |
| March 2026 | 67% | 30 |
| April 2026 | 86% | 14 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 96
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 102 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.