Flight Reliability
NK 1641 · Spirit Airlines
Los Angeles → Las Vegas (LAX–LAS)83% of its flights flew this route. The rest (SLC–MCO) are included in these numbers.
76
Usually Fine
WanderNerd Reliability Score
- 79%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 2.6%
- Cancelled
- 6 min early
- Median arrival delay
Based on 116 historical flights. Data through May 2026.
What the data says
Morning flights do better here.
NK 1641 departing between 9 AM–12 PM arrived on time 83% of the time, versus 58% between 12–3 PM.
Thursdays have been rough.
NK 1641 arrived on time 93% of the time on Sundays and just 62% on Thursdays. That gap is worth planning around.
A bit ahead of the Spirit Airlines network.
NK 1641 arrived on time 79% of the time, versus 74% across the Spirit Airlines network.
The breakdown
- Mon79%(19 flights)
- Tue85%(13 flights)
- Wed67%(18 flights)
- Thu62%(13 flights)
- Fri83%(18 flights)
- Sat83%(18 flights)
- Sun93%(14 flights)
- 9 AM–12 PM83%(94 flights)
- 12–3 PM58%(19 flights)
73%
Apr
Jul 54% → Apr 73% on time
| Month | On-time percentage | Flights |
|---|---|---|
| July 2025 | 54% | 13 |
| January 2026 | 92% | 24 |
| February 2026 | 82% | 28 |
| March 2026 | 81% | 31 |
| April 2026 | 73% | 11 |
- Departures on time
- 83%
- Diverted
- 0%
- Flights flown
- 113
- 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.