Austin (AUS) to Los Angeles (LAX): On-Time Performance
Data through July 2026
When you fly AUS to LAX matters as much as anything else about the booking: the route swung from 91% on-time in September 2025 to just 67% in July 2024. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 71%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.6%
- Flights/day
- 11
- last 12 months
- Duration
- 3h 23m
- scheduled
- Distance
- 1,242 mi
Best airline from AUS to LAX
6 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 89% | 9 min | 0.8% | 849 |
| SkyWest Airlines | 88% | 9 min | 0.3% | 1,222 |
| Delta Air Lines | 82% | 16 min | 0.9% | 2,651 |
| Spirit Airlines | 81% | 10 min | 0.0% | 62 |
| American Airlines | 79% | 22 min | 0.7% | 1,516 |
| Southwest Airlines | 77% | 13 min | 0.3% | 2,202 |
Monthly on-time trend
Best time to fly from AUS to LAX
Aim for departures around 5 a.m. (97% on-time); avoid 9 p.m. departures (60%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 15 min |
| Tuesdaybest | 87% | 12 min |
| Wednesday | 85% | 13 min |
| Thursday | 81% | 13 min |
| Friday | 79% | 14 min |
| Saturday | 84% | 12 min |
| Sunday | 77% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations39%
- National airspace system6%
- Weather5%
Frequently asked questions
- How often are flights from AUS to LAX delayed?
- 18% of AUS–LAX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from AUS to LAX?
- United Airlines has the best on-time record on this route at 89%, based on 849 flights. 6 airlines flew AUS–LAX frequently enough to compare in this period.
- What is the best time of day to fly from AUS to LAX?
- Departures around 5 a.m. have the best record (97% on-time), while departures around 9 p.m. have the worst (60%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from AUS to LAX?
- The scheduled AUS–LAX flight time averages 3h 23m over 1,242 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are AUS to LAX flights cancelled?
- 0.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from AUS to LAX?
- July 2024 was the roughest month in this dataset, with only 67% of arrivals on time. The best was September 2025 at 91%. If your dates are flexible, that 24-point gap is worth planning around.
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Based on 8,502 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.