Best Time to Fly AUS to LAX: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Los Angeles International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 82.3% of Austin (AUS) to Los Angeles (LAX) flights arrived on time (4,091 scheduled flights). That is 4.7 points above the national average of 77.6%.
United Airlines was the most punctual of the 5 airlines on the route at 88.5%, while American Airlines trailed at 71.9%.
September has been the best month (90% on time) and Sunday the weakest day of the week (77%).
0.7% of flights were cancelled, versus 1.8% nationally.
AUS 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 |
|---|---|---|---|---|
| United Airlines | 88.5% | 85 min | 0.5% | 430 |
| SkyWest Airlines | 87.9% | 70 min | 0.3% | 899 |
| Delta Air Lines | 84.5% | 66 min | 1.2% | 1,288 |
| Southwest Airlines | 76.6% | 48 min | 0.6% | 1,041 |
| American Airlines | 71.9% | 107 min | 0.7% | 419 |
| Spirit Airlines | Limited data | 14 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to LAX
On-time arrival % by scheduled departure hour (local time), 8,149 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 96.6% | 0.5% | 209 |
| 6am–7am | 91.3% | 0.3% | 669 |
| 7am–8am | 91.1% | 0.5% | 1,341 |
| 8am–9am | 93.0% | 0.8% | 401 |
| 9am–10am | 93.8% | 2.4% | 83 |
| 10am–11am | 95.2% | 1.9% | 106 |
| 11am–12pm | 82.6% | 0.9% | 116 |
| 12pm–1pm | 79.5% | 0.4% | 230 |
| 1pm–2pm | 83.5% | 1.4% | 666 |
| 2pm–3pm | 82.6% | 0.1% | 657 |
| 3pm–4pm | 81.6% | 0.2% | 503 |
| 4pm–5pm | 77.9% | 0.4% | 977 |
| 5pm–6pm | 66.0% | 0.0% | 212 |
| 6pm–7pm | 80.0% | 0.6% | 317 |
| 7pm–8pm | 74.8% | 0.5% | 611 |
| 8pm–9pm | 72.4% | 0.4% | 681 |
| 9pm–10pm | 61.2% | 0.5% | 207 |
| 10pm–11pm | 62.7% | 0.6% | 162 |
| 11pm–12am | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on AUS 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) | 81.5% | -1.9 pts | 0.0% | 168 |
| Christmas & New Year (Dec 20 - Jan 3) | 76.4% | -7.1 pts | 0.0% | 313 |
| Summer peak (Jun 15 - Aug 15) | 78.5% | -5.0 pts | 0.8% | 1,429 |
| All other days | 83.5% | — | 0.5% | 6,239 |
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).