Route Reliability
San Jose → Las Vegas
SJC–LAS · 386 miles · San José Mineta International Airport to Harry Reid International Airport
- 80%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 0.6%
- Cancelled
- 3,943
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Spirit Airlines87%267 flights
- 2.Delta Air Lines80%225 flights
- 3.Southwest Airlines80%3,261 flights
- 4.Frontier Airlines69%179 flights
Not enough history to rank: Alaska Airlines (9 flights), United Airlines (2 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning-you made the right choice.
SJC–LAS flights departing between 6–9 AM arrived on time 96% of the time, versus 68% between 9 PM–12 AM.
Thursdays have been rough.
SJC–LAS flights arrived on time 89% of the time on Saturdays and just 72% on Thursdays. That gap is worth planning around.
Spirit Airlines has a clear lead on this route.
Spirit Airlines arrived on time 87% of the time on this route; Frontier Airlines managed 69%.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon78%(631 flights)
- Tue84%(494 flights)
- Wed86%(482 flights)
- Thu72%(615 flights)
- Fri75%(625 flights)
- Sat89%(438 flights)
- Sun83%(632 flights)
- 6–9 AM96%(888 flights)
- 9 AM–12 PM89%(666 flights)
- 12–3 PM77%(834 flights)
- 3–6 PM71%(751 flights)
- 6–9 PM68%(618 flights)
- 9 PM–12 AM68%(160 flights)
Jun 76% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 76% | 399 |
| July 2025 | 75% | 375 |
| August 2025 | 82% | 381 |
| September 2025 | 81% | 370 |
| October 2025 | 79% | 316 |
| November 2025 | 77% | 310 |
| December 2025 | 81% | 320 |
| January 2026 | 88% | 296 |
| February 2026 | 84% | 267 |
| March 2026 | 83% | 295 |
| April 2026 | 81% | 287 |
| May 2026 | 81% | 301 |
Same trip, other airports
Keep nerding
Based on 3,943 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.