Route Reliability
San Diego → Austin
SAN–AUS · 1,164 miles · San Diego International Airport to Austin–Bergstrom International Airport
- 75%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 0.8%
- Cancelled
- 2,529
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Alaska Airlines80%967 flights
- 2.Southwest Airlines73%1,428 flights
- 3.Frontier Airlines71%134 flights
What the data says
Morning flights do better here.
SAN–AUS flights departing between 6–9 AM arrived on time 90% of the time, versus 64% between 12–3 PM.
Friday is doing you no favors.
SAN–AUS flights arrived on time 83% of the time on Wednesdays. On Fridays: 69%.
Alaska Airlines runs this route best.
Alaska Airlines arrived on time 80% of the time on this route; Frontier Airlines managed 71%.
Recent months have been rougher.
SAN–AUS flights arrived on time 70% of the time over the last three months in the data, compared with 78% 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
- Mon72%(411 flights)
- Tue83%(333 flights)
- Wed83%(332 flights)
- Thu73%(384 flights)
- Fri69%(412 flights)
- Sat80%(259 flights)
- Sun72%(371 flights)
- 6–9 AM90%(606 flights)
- 9 AM–12 PM76%(588 flights)
- 12–3 PM64%(357 flights)
- 3–6 PM73%(617 flights)
- 6–9 PM65%(334 flights)
Jun 80% → May 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 196 |
| July 2025 | 70% | 204 |
| August 2025 | 80% | 182 |
| September 2025 | 88% | 173 |
| October 2025 | 76% | 200 |
| November 2025 | 71% | 197 |
| December 2025 | 65% | 195 |
| January 2026 | 87% | 213 |
| February 2026 | 83% | 215 |
| March 2026 | 65% | 253 |
| April 2026 | 80% | 243 |
| May 2026 | 65% | 231 |
Keep nerding
Based on 2,529 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.