Best Time to Fly AUS to SMF: On-Time Stats by Hour & Airline
Austin - Bergstrom International → Sacramento International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 72.4% of Austin (AUS) to Sacramento (SMF) flights arrived on time (385 scheduled flights). That is 5.2 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
August has been the best month (85% on time) and Monday the weakest day of the week (75%).
0.3% of flights were cancelled, versus 1.8% nationally.
AUS to SMF 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 | 72.4% | 52 min | 0.3% | 385 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly AUS to SMF
On-time arrival % by scheduled departure hour (local time), 1,000 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 93.9% | 0.0% | 33 |
| 8am–9am | Limited data | 14 | |
| 9am–10am | 95.5% | 1.1% | 90 |
| 10am–11am | 95.7% | 0.0% | 69 |
| 11am–12pm | 81.6% | 0.0% | 49 |
| 12pm–1pm | 88.7% | 0.0% | 62 |
| 1pm–2pm | 73.7% | 0.0% | 57 |
| 2pm–3pm | 76.3% | 1.1% | 94 |
| 3pm–4pm | Limited data | 14 | |
| 4pm–5pm | 65.7% | 0.0% | 108 |
| 5pm–6pm | 81.0% | 0.0% | 58 |
| 6pm–7pm | 65.5% | 0.0% | 55 |
| 7pm–8pm | 67.6% | 0.9% | 109 |
| 8pm–9pm | 67.9% | 1.8% | 114 |
| 9pm–10pm | 66.0% | 0.0% | 53 |
| 10pm–11pm | Limited data | 21 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on AUS to SMF
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) | 81.8% | +3.3 pts | 0.0% | 44 |
| Summer peak (Jun 15 - Aug 15) | 71.0% | -7.4 pts | 0.5% | 184 |
| All other days | 78.5% | — | 0.5% | 752 |
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).