Best Time to Fly SMF to AUS: On-Time Stats by Hour & Airline
Sacramento International → Austin - Bergstrom International
Data through July 2026 · Last updated October 18, 2026
385 flights were scheduled from Sacramento (SMF) to Austin (AUS) in the last 12 months, and 78.9% of those that flew arrived on time, 1.3 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (87% on time) and June the worst month (67%).
The cancellation rate was 0.3% (US average 1.8%).
SMF to AUS on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 78.9% | 38 min | 0.3% | 385 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SMF to AUS
On-time arrival % by scheduled departure hour (local time), 1,001 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 90.6% | 0.0% | 96 |
| 6am–7am | 96.7% | 0.0% | 243 |
| 7am–8am | 90.7% | 0.4% | 226 |
| 8am–9am | Limited data | 13 | |
| 9am–10am | 84.1% | 0.0% | 44 |
| 10am–11am | 65.0% | 0.0% | 40 |
| 11am–12pm | 82.0% | 0.0% | 39 |
| 12pm–1pm | Limited data | 22 | |
| 1pm–2pm | 81.6% | 0.0% | 38 |
| 2pm–3pm | 71.1% | 0.0% | 45 |
| 3pm–4pm | 50.8% | 0.0% | 135 |
| 4pm–5pm | 52.9% | 0.0% | 34 |
| 6pm–7pm | Limited data | 26 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SMF to AUS
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 20 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 72.7% | -9.7 pts | 0.0% | 44 |
| Summer peak (Jun 15 - Aug 15) | 76.5% | -5.9 pts | 0.0% | 184 |
| All other days | 82.4% | — | 0.1% | 753 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).