Route Reliability
Austin → Las Vegas
AUS–LAS · 1,090 miles · Austin–Bergstrom International Airport to Harry Reid International Airport
- 75%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 0.5%
- Cancelled
- 2,870
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Southwest Airlines77%2,167 flights
- 2.Frontier Airlines70%289 flights
- 3.Delta Air Lines69%365 flights
Not enough history to rank: Spirit Airlines (29 flights), Allegiant Air (20 flights). We rank airlines only after 100 flights on the route.
What the data says
Morning flights do better here.
AUS–LAS flights departing between 6–9 AM arrived on time 98% of the time, versus 61% between 6–9 PM.
Mondays have been rough.
AUS–LAS flights arrived on time 84% of the time on Wednesdays and just 68% on Mondays. That gap is worth planning around.
Southwest Airlines runs this route best.
Southwest Airlines arrived on time 77% of the time on this route; Delta Air Lines managed 69%.
Slipping a little lately.
AUS–LAS flights arrived on time 75% of the time over the last three months in the data, compared with 81% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon68%(461 flights)
- Tue83%(351 flights)
- Wed84%(354 flights)
- Thu74%(463 flights)
- Fri74%(456 flights)
- Sat82%(299 flights)
- Sun69%(466 flights)
- 3–6 AM96%(223 flights)
- 6–9 AM98%(288 flights)
- 9 AM–12 PM87%(350 flights)
- 12–3 PM74%(476 flights)
- 3–6 PM69%(828 flights)
- 6–9 PM61%(481 flights)
- 9 PM–12 AM66%(204 flights)
Jun 70% → May 71% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 70% | 253 |
| July 2025 | 72% | 242 |
| August 2025 | 73% | 222 |
| September 2025 | 76% | 216 |
| October 2025 | 72% | 252 |
| November 2025 | 75% | 243 |
| December 2025 | 81% | 255 |
| January 2026 | 80% | 208 |
| February 2026 | 81% | 210 |
| March 2026 | 79% | 258 |
| April 2026 | 74% | 245 |
| May 2026 | 71% | 246 |
Keep nerding
Based on 2,870 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.