AUS to SAN flight delays & on-time performance
Nonstop flights from Austin Bergstrom International Airport to San Diego International Airport · 1,164 miles · Aug 2025 – Jul 2026
- SAN: Airport closed. Closed, expected to reopen Oct 11 at 13:00 UTC.
On-time arrivals
74%
arrived < 15 min late
Cancelled
1.2%
30 flights
Avg arrival delay
15 min
54 min when late
Airlines
3
2,561 flights tracked
Key facts
- Flights from Austin (AUS) to San Diego (SAN) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.2% were cancelled, and 7% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (81% on time); Southwest Airlines was the least (69%).
- Departures scheduled around 7am did best (98% on time); around 6pm did worst (45%).
- Saturday was the most reliable day to fly (84% on time) and Thursday the least (65%).
- The largest source of delay minutes was late-arriving aircraft (55%).
Which airline is most on time from AUS to SAN?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 81% | 1.7% | 13 min | 5.9% | 1,036 |
| Frontier Airlines | 77% | 1.9% | 17 min | 10.6% | 106 |
| Southwest Airlines | 69% | 0.7% | 17 min | 7.8% | 1,419 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am91%603 flights
- 7am98%90 flights
- 8am91%35 flights
- 10am69%82 flights
- 11am74%66 flights
- 12pm75%162 flights
- 1pm82%145 flights
- 2pm72%386 flights
- 3pm85%50 flights
- 4pm69%148 flights
- 5pm59%126 flights
- 6pm45%100 flights
- 7pm64%276 flights
- 8pm52%138 flights
- 9pm60%154 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday70%1.4% cancelled
- Tuesday82%0.6% cancelled
- Wednesday83%0.3% cancelled
- Thursday65%1.0% cancelled
- Friday73%0.9% cancelled
- Saturday84%1.8% cancelled
- Sunday68%2.2% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft55%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion17%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather40%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion30%
- Security0%
AUS to SAN: common questions
- How often are AUS to SAN flights on time?
- 74% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Austin to San Diego cancelled?
- 1.2% of scheduled flights were cancelled (30 of 2,561).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 54 min behind schedule on average, and 7.2% of flights were an hour or more late.
- How long is taxi time at AUS?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SAN to AUS — 72% on time
More flights from Austin
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: AUS → SAN, nonstop flights by US airlines that report to the DOT. How we calculate this.