Flight Reliability
NK 1640 · Spirit Airlines
Las Vegas → Los Angeles (LAS–LAX)83% of its flights flew this route. The rest (MCO–SLC) are included in these numbers.
- 88%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 1.7%
- Cancelled
- 17 min early
- Median arrival delay
Based on 116 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 9 AM–12 PM arrived on time 92% of the time, against 87% between 6–9 AM.
Saturdays have been rough.
NK 1640 arrived on time 100% of the time on Sundays and just 72% on Saturdays. That gap is worth planning around.
Better than the LAS–LAX route average.
NK 1640 arrived on time 88% of the time, versus 79% across the LAS–LAX route.
Better than the Spirit Airlines network average.
NK 1640 arrived on time 88% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon84%(19 flights)
- Tue92%(13 flights)
- Wed89%(18 flights)
- Thu92%(13 flights)
- Fri90%(19 flights)
- Sat72%(18 flights)
- Sun100%(14 flights)
- 6–9 AM87%(89 flights)
- 9 AM–12 PM92%(25 flights)
Jul 92% → Apr 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 92% | 13 |
| January 2026 | 92% | 24 |
| February 2026 | 82% | 28 |
| March 2026 | 90% | 31 |
| April 2026 | 82% | 11 |
- Departures on time
- 86%
- Diverted
- 0%
- Flights flown
- 114
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 116 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.