Route Reliability
Austin → San Diego
AUS–SAN · 1,164 miles · Austin–Bergstrom International Airport to San Diego International Airport
- 76%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.0%
- 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 Airlines82%967 flights
- 2.Southwest Airlines72%1,428 flights
- 3.Frontier Airlines71%134 flights
What the data says
Morning flights do better here.
AUS–SAN flights departing between 6–9 AM arrived on time 92% of the time, versus 60% between 6–9 PM.
Sunday scaries are real for this one.
AUS–SAN flights arrived on time 83% of the time on Saturdays. On Sundays: 69%.
Alaska Airlines runs this route best.
Alaska Airlines arrived on time 82% of the time on this route; Frontier Airlines managed 71%.
Recent months have been rougher.
AUS–SAN flights arrived on time 74% 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
- Mon73%(408 flights)
- Tue82%(332 flights)
- Wed82%(332 flights)
- Thu71%(380 flights)
- Fri76%(413 flights)
- Sat83%(261 flights)
- Sun69%(367 flights)
- 6–9 AM92%(715 flights)
- 9 AM–12 PM76%(136 flights)
- 12–3 PM79%(662 flights)
- 3–6 PM67%(345 flights)
- 6–9 PM60%(477 flights)
- 9 PM–12 AM60%(158 flights)
Jun 68% → May 69% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 68% | 194 |
| July 2025 | 70% | 203 |
| August 2025 | 78% | 180 |
| September 2025 | 82% | 174 |
| October 2025 | 74% | 197 |
| November 2025 | 74% | 197 |
| December 2025 | 77% | 194 |
| January 2026 | 84% | 212 |
| February 2026 | 83% | 213 |
| March 2026 | 81% | 252 |
| April 2026 | 72% | 243 |
| May 2026 | 69% | 234 |
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.