Route Reliability
Las Vegas → Austin
LAS–AUS · 1,090 miles · Harry Reid International Airport to Austin–Bergstrom International Airport
- 75%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 0.4%
- Cancelled
- 2,868
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Frontier Airlines84%289 flights
- 2.Southwest Airlines75%2,165 flights
- 3.Delta Air Lines68%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.
LAS–AUS flights departing between 3–6 AM arrived on time 94% of the time, versus 58% between 6–9 PM.
Sunday scaries are real for this one.
LAS–AUS flights arrived on time 85% of the time on Saturdays and just 69% on Sundays. That gap is worth planning around.
Frontier Airlines has a clear lead on this route.
Frontier Airlines arrived on time 84% of the time on this route; Delta Air Lines managed 68%.
Recent months have been rougher.
LAS–AUS flights arrived on time 73% 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
- Mon70%(459 flights)
- Tue83%(351 flights)
- Wed84%(355 flights)
- Thu71%(466 flights)
- Fri72%(453 flights)
- Sat85%(298 flights)
- Sun69%(466 flights)
- 3–6 AM94%(217 flights)
- 6–9 AM89%(644 flights)
- 9 AM–12 PM77%(447 flights)
- 12–3 PM74%(442 flights)
- 3–6 PM65%(860 flights)
- 6–9 PM58%(233 flights)
- 9 PM–12 AM—(5 flights)
Jun 72% → May 68% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 72% | 252 |
| July 2025 | 63% | 243 |
| August 2025 | 82% | 223 |
| September 2025 | 80% | 214 |
| October 2025 | 73% | 250 |
| November 2025 | 75% | 243 |
| December 2025 | 85% | 253 |
| January 2026 | 81% | 209 |
| February 2026 | 77% | 211 |
| March 2026 | 73% | 258 |
| April 2026 | 76% | 248 |
| May 2026 | 68% | 244 |
Keep nerding
Based on 2,868 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.