Best Time to Fly SAT to LAX: On-Time Stats by Hour & Airline
San Antonio International → Los Angeles International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 86.5% of San Antonio (SAT) to Los Angeles (LAX) flights arrived on time (1,846 scheduled flights). That is 8.9 points above the national average of 77.6%.
Among 4 airlines, SkyWest Airlines led with 90.6% on time and Southwest Airlines was last with 73.5%.
Over 24 months, Saturday was the most reliable day (89% on time) and January the worst month (80%).
The cancellation rate was 0.4% (US average 1.8%).
SAT to LAX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 90.6% | 125 min | 0.3% | 697 |
| Delta Air Lines | 89.2% | 107 min | 0.3% | 682 |
| Spirit Airlines | 83.3% | 87 min | 3.1% | 130 |
| Southwest Airlines | 73.5% | 48 min | 0.0% | 337 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SAT to LAX
On-time arrival % by scheduled departure hour (local time), 3,924 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 15 | |
| 6am–7am | 92.5% | 0.5% | 563 |
| 7am–8am | 89.1% | 0.6% | 939 |
| 8am–9am | 96.5% | 0.0% | 86 |
| 9am–10am | Limited data | 20 | |
| 10am–11am | Limited data | 6 | |
| 11am–12pm | 93.9% | 0.0% | 66 |
| 12pm–1pm | 82.5% | 0.0% | 121 |
| 1pm–2pm | 80.8% | 0.0% | 151 |
| 2pm–3pm | 85.8% | 0.0% | 304 |
| 3pm–4pm | 87.9% | 0.0% | 654 |
| 4pm–5pm | 87.0% | 0.3% | 588 |
| 5pm–6pm | 70.5% | 0.0% | 105 |
| 6pm–7pm | Limited data | 14 | |
| 7pm–8pm | 67.7% | 1.6% | 63 |
| 8pm–9pm | 71.3% | 0.8% | 130 |
| 9pm–10pm | 81.6% | 0.0% | 49 |
| 10pm–11pm | 84.1% | 0.0% | 44 |
| 11pm–12am | Limited data | 6 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SAT to LAX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 84.5% | -2.4 pts | 0.0% | 84 |
| Christmas & New Year (Dec 20 - Jan 3) | 80.3% | -6.6 pts | 1.1% | 176 |
| Summer peak (Jun 15 - Aug 15) | 88.4% | +1.4 pts | 0.3% | 692 |
| All other days | 87.0% | — | 0.3% | 2,972 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).