Which departure time was most reliable for LAS to SAN?
Among qualifying LAS-to-SAN departure window results, Early morning had the highest on-time rate: 82.3% of 1,353 flights. Evening was lowest at 53.7% across 1,230 flights.
| Departure window | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Early morning | 1,353 | 82.3% | 8.7% | 0.7% |
| Late morning | 1,064 | 64.9% | 21.2% | 0.7% |
| Afternoon | 1,774 | 64.1% | 22.3% | 1.0% |
| Evening | 1,230 | 53.7% | 31.0% | 1.6% |
| Night | 456 | 58.6% | 27.0% | 2.4% |
Which weekday was most reliable for LAS to SAN?
Among qualifying LAS-to-SAN weekday results, Wednesday had the highest on-time rate: 77.1% of 756 flights. Friday was lowest at 56.4% across 927 flights.
| Day | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Monday | 929 | 64.6% | 22.4% | 0.8% |
| Tuesday | 774 | 76.2% | 14.5% | 0.8% |
| Wednesday | 756 | 77.1% | 12.3% | 0.8% |
| Thursday | 923 | 58.6% | 26.2% | 1.3% |
| Friday | 927 | 56.4% | 29.7% | 1.7% |
| Saturday | 648 | 75.3% | 13.1% | 0.8% |
| Sunday | 920 | 59.1% | 24.9% | 1.4% |
Which airline was most reliable for LAS to SAN?
Among qualifying LAS-to-SAN airline results, Spirit Airlines had the highest on-time rate: 77.8% of 257 flights. Southwest Airlines was lowest at 61.8% across 3,738 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 3,738 | 61.8% | 23.1% | 1.0% |
| SkyWest Airlines | 1,492 | 73.4% | 16.6% | 1.3% |
| Frontier Airlines | 389 | 67.4% | 24.4% | 1.3% |
| Spirit Airlines | 257 | 77.8% | 14.0% | 1.2% |
| Alaska Airlines | 1 | 100.0% | 0.0% | 0.0% |
Which month was most reliable for LAS to SAN?
Among qualifying LAS-to-SAN month results, August 2025 had the highest on-time rate: 72.3% of 656 flights. June 2026 was lowest at 53.2% across 391 flights.
| Month | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| July 2025 | 646 | 69.3% | 18.1% | 2.0% |
| August 2025 | 656 | 72.3% | 16.0% | 0.6% |
| September 2025 | 610 | 71.6% | 18.2% | 1.0% |
| October 2025 | 541 | 63.4% | 24.4% | 0.7% |
| November 2025 | 494 | 59.7% | 24.1% | 4.0% |
| December 2025 | 477 | 62.1% | 23.9% | 1.0% |
| January 2026 | 406 | 70.4% | 15.8% | 1.0% |
| February 2026 | 394 | 70.1% | 16.0% | 0.3% |
| March 2026 | 459 | 68.2% | 19.4% | 0.0% |
| April 2026 | 399 | 64.9% | 20.1% | 0.0% |
| May 2026 | 404 | 57.9% | 30.2% | 0.7% |
| June 2026 | 391 | 53.2% | 32.7% | 1.3% |
What drove LAS to SAN delay minutes?
Late aircraft was the largest recorded LAS-to-SAN delay category, accounting for 35.0% of 106,969 BTS-attributed delay minutes during July 2025–June 2026.
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