Route Reliability
San Diego → Las Vegas
SAN–LAS · 258 miles · San Diego International Airport to Harry Reid International Airport
- 75%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 1.6%
- Cancelled
- 6,763
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Spirit Airlines84%348 flights
- 2.Delta Air Lines82%652 flights
- 3.Southwest Airlines76%3,725 flights
- 4.Alaska Airlines72%1,635 flights
- 5.Frontier Airlines64%403 flights
What the data says
Morning-you made the right choice.
SAN–LAS flights departing between 6–9 AM arrived on time 91% of the time, versus 66% between 9 PM–12 AM.
Friday is doing you no favors.
SAN–LAS flights arrived on time 85% of the time on Wednesdays and just 66% on Fridays. That gap is worth planning around.
Spirit Airlines has a clear lead on this route.
Spirit Airlines arrived on time 84% of the time on this route; Frontier Airlines managed 64%.
Slipping a little lately.
SAN–LAS flights arrived on time 73% of the time over the last three months in the data, compared with 78% in the three months before that.
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
- Mon74%(1057 flights)
- Tue83%(854 flights)
- Wed85%(844 flights)
- Thu68%(1042 flights)
- Fri66%(1040 flights)
- Sat84%(750 flights)
- Sun73%(1066 flights)
- 6–9 AM91%(1367 flights)
- 9 AM–12 PM84%(1002 flights)
- 12–3 PM68%(1256 flights)
- 3–6 PM69%(1318 flights)
- 6–9 PM69%(1277 flights)
- 9 PM–12 AM66%(433 flights)
Jun 71% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 71% | 638 |
| July 2025 | 75% | 635 |
| August 2025 | 78% | 651 |
| September 2025 | 80% | 600 |
| October 2025 | 74% | 557 |
| November 2025 | 73% | 517 |
| December 2025 | 71% | 542 |
| January 2026 | 80% | 483 |
| February 2026 | 83% | 452 |
| March 2026 | 78% | 528 |
| April 2026 | 74% | 518 |
| May 2026 | 68% | 532 |
Keep nerding
Based on 6,763 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.