Flight Reliability
NK 987 · Spirit Airlines
Detroit → Atlanta (DTW–ATL)
43
Bring Snacks
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 8.6%
- Cancelled
- 0 min
- Median arrival delay
Based on 58 historical flights. Data through May 2026.
What the data says
The 3–6 AM departure wins.
NK 987 departing between 3–6 AM arrived on time 80% of the time, versus 64% between 6–9 AM.
Saturday is the weak spot.
NK 987 arrived on time 80% of the time on Fridays. On Saturdays: 70%.
Lagging the DTW–ATL route.
NK 987 arrived on time 70% of the time, versus 78% across the DTW–ATL route.
A bit behind the Spirit Airlines network.
NK 987 arrived on time 70% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon—(6 flights)
- Tue—(5 flights)
- Wed—(4 flights)
- Thu—(9 flights)
- Fri80%(10 flights)
- Sat70%(10 flights)
- Sun—(9 flights)
- 3–6 AM80%(20 flights)
- 6–9 AM64%(33 flights)
57%
Apr
Jan 79% → Apr 57% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 79% | 14 |
| March 2026 | 68% | 19 |
| April 2026 | 57% | 14 |
- Departures on time
- 76%
- Diverted
- 0%
- Flights flown
- 53
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 58 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.