Flight Reliability
NK 984 · Spirit Airlines
New York → Detroit (LGA–DTW)99% of its flights flew this route. The rest (LGA–CLT) are included in these numbers.
50
A Little Dicey
WanderNerd Reliability Score
- 65%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 5.2%
- Cancelled
- 6 min early
- Median arrival delay
Based on 97 historical flights. Data through May 2026.
What the data says
Tuesdays have been rough.
NK 984 arrived on time 77% of the time on Wednesdays and just 54% on Tuesdays. That gap is worth planning around.
Lagging the LGA–DTW route.
NK 984 arrived on time 65% of the time, versus 78% across the LGA–DTW route.
Lagging the Spirit Airlines network.
NK 984 arrived on time 65% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon58%(12 flights)
- Tue54%(13 flights)
- Wed77%(13 flights)
- Thu64%(14 flights)
- Fri64%(14 flights)
- Sat64%(14 flights)
- Sun75%(12 flights)
71%
Apr
Jan 78% → Apr 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| January 2026 | 78% | 23 |
| February 2026 | 69% | 26 |
| March 2026 | 48% | 29 |
| April 2026 | 71% | 14 |
- Departures on time
- 64%
- Diverted
- 0%
- Flights flown
- 92
- Months covered
- 4
Same route, other flights
Keep nerding
Based on 97 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.