Best Time to Fly LAX to SAT: On-Time Stats by Hour & Airline
Los Angeles International → San Antonio International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.6% of Los Angeles (LAX) to San Antonio (SAT) flights arrived on time (1,846 scheduled flights). That is 4.0 points above the national average of 77.6%.
SkyWest Airlines was the most punctual of the 4 airlines on the route at 86.0%, while Southwest Airlines trailed at 66.5%.
September has been the best month (90% on time) and Sunday the weakest day of the week (80%).
0.4% of flights were cancelled, versus 1.8% nationally.
LAX to SAT 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 | 86.0% | 66 min | 0.3% | 697 |
| Delta Air Lines | 84.5% | 73 min | 0.3% | 682 |
| Spirit Airlines | 82.4% | 88 min | 3.1% | 130 |
| Southwest Airlines | 66.5% | 40 min | 0.0% | 337 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAX to SAT
On-time arrival % by scheduled departure hour (local time), 3,926 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 6 | |
| 7am–8am | 89.7% | 0.0% | 68 |
| 8am–9am | 90.1% | 0.5% | 416 |
| 9am–10am | 88.9% | 0.1% | 1,210 |
| 10am–11am | 81.7% | 0.5% | 209 |
| 11am–12pm | 68.0% | 0.0% | 50 |
| 12pm–1pm | 75.2% | 0.0% | 113 |
| 1pm–2pm | 73.6% | 0.0% | 106 |
| 2pm–3pm | 81.7% | 1.1% | 183 |
| 3pm–4pm | 73.4% | 1.5% | 65 |
| 4pm–5pm | 77.4% | 0.0% | 62 |
| 5pm–6pm | 85.4% | 0.0% | 280 |
| 6pm–7pm | 82.1% | 0.7% | 1,012 |
| 7pm–8pm | 76.8% | 0.9% | 109 |
| 8pm–9pm | 81.1% | 0.0% | 37 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAX to SAT
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) | 83.3% | -1.6 pts | 0.0% | 84 |
| Christmas & New Year (Dec 20 - Jan 3) | 83.9% | -1.0 pts | 1.1% | 176 |
| Summer peak (Jun 15 - Aug 15) | 82.6% | -2.3 pts | 0.4% | 693 |
| All other days | 84.9% | — | 0.3% | 2,973 |
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).