Las Vegas (LAS) to Austin (AUS): On-Time Performance
Data through July 2026
Las Vegas (LAS) to Austin (AUS) effectively runs on two schedules. In November 2024, 85% of arrivals were on time; in July 2025 that fell to 62% — a 23-point seasonal swing. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (86% vs 66%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 7.9
- last 12 months
- Duration
- 2h 42m
- scheduled
- Distance
- 1,090 mi
Best airline from LAS to AUS
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 81% | 11 min | 0.5% | 217 |
| Frontier Airlines | 81% | 14 min | 1.0% | 590 |
| Southwest Airlines | 75% | 14 min | 0.3% | 4,511 |
| American Airlines | 74% | 22 min | 0.0% | 98 |
| Delta Air Lines | 69% | 22 min | 1.2% | 761 |
Monthly on-time trend
Best time to fly from LAS to AUS
Aim for departures around 6 a.m. (95% on-time); avoid 7 p.m. departures (55%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 18 min |
| Tuesday | 82% | 11 min |
| Wednesday | 84% | 8 min |
| Thursday | 70% | 17 min |
| Friday | 71% | 19 min |
| Saturdaybest | 84% | 10 min |
| Sunday | 71% | 19 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 operations33%
- National airspace system16%
- Weather1%
Frequently asked questions
- How often are flights from LAS to AUS delayed?
- 25% of LAS–AUS 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 LAS to AUS?
- Spirit Airlines has the best on-time record on this route at 81%, based on 217 flights. 5 airlines flew LAS–AUS frequently enough to compare in this period.
- What is the best time of day to fly from LAS to AUS?
- Departures around 6 a.m. have the best record (95% on-time), while departures around 7 p.m. have the worst (55%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from LAS to AUS?
- The scheduled LAS–AUS flight time averages 2h 42m over 1,090 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are LAS to AUS flights cancelled?
- 0.5% 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 LAS to AUS?
- July 2025 was the roughest month in this dataset, with only 62% of arrivals on time. The best was November 2024 at 85%. If your dates are flexible, that 23-point gap is worth planning around.
Explore related pages
More routes from LAS
Other ways to fly to Austin (AUS)
Related guides
Based on 6,240 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.