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Sacramento (SMF) to Austin (AUS): On-Time Performance

Data through July 2026

Sacramento (SMF) to Austin (AUS) effectively runs on two schedules. In September 2025, 97% of arrivals were on time; in June 2026 that fell to 57% — a 40-point seasonal swing. Across the full period the route averages 81% on-time against a national 78%.

On-time
81%
arrived <15 min late
Avg delay
10 min
completed flights
Cancelled
0.1%
Flights/day
1.1
last 12 months
Duration
3h 18m
scheduled
Distance
1,481 mi

Monthly on-time trend

Monthly on-time percentage for SMF to AUS flights50%75%100%August 2024: 94% on-time (48 flights)94Aug 2024September 2024: 87% on-time (47 flights)87October 2024: 85% on-time (47 flights)85November 2024: 79% on-time (48 flights)79Nov 2024December 2024: 76% on-time (46 flights)76January 2025: 88% on-time (40 flights)88February 2025: 88% on-time (43 flights)88Feb 2025March 2025: 76% on-time (55 flights)76April 2025: 90% on-time (59 flights)90May 2025: 75% on-time (61 flights)75May 2025June 2025: 72% on-time (60 flights)72July 2025: 76% on-time (62 flights)76August 2025: 82% on-time (38 flights)82Aug 2025September 2025: 97% on-time (34 flights)97October 2025: 83% on-time (35 flights)83November 2025: 69% on-time (32 flights)69Nov 2025December 2025: 88% on-time (33 flights)88January 2026: 81% on-time (32 flights)81February 2026: 86% on-time (28 flights)86Feb 2026March 2026: 71% on-time (31 flights)71April 2026: 87% on-time (30 flights)87May 2026: 68% on-time (31 flights)68May 2026June 2026: 57% on-time (30 flights)57July 2026: 77% on-time (31 flights)77

Best time to fly from SMF to AUS

Aim for departures around 6 a.m. (97% on-time); avoid 3 p.m. departures (51%).

On-time percentage by scheduled departure hour, SMF to AUS5 a.m.: 91% on-time (96 flights)56 a.m.: 97% on-time (255 flights)67 a.m.: 91% on-time (226 flights)78 a.m.: 82% on-time (28 flights)89 a.m.: 84% on-time (44 flights)910 a.m.: 65% on-time (40 flights)1011 a.m.: 84% on-time (43 flights)1112 p.m.: 46% on-time (22 flights)121 p.m.: 82% on-time (38 flights)132 p.m.: 71% on-time (45 flights)143 p.m.: 51% on-time (136 flights)154 p.m.: 59% on-time (56 flights)166 p.m.: 65% on-time (26 flights)18scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday83%10 min
Tuesday80%12 min
Wednesdaybest87%7 min
Thursday84%10 min
Friday80%13 min
Saturday81%9 min
Sunday72%11 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft50%
  • Airline operations32%
  • National airspace system17%
  • Weather1%

Frequently asked questions

How often are flights from SMF to AUS delayed?
19% of SMF–AUS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 10 minutes.
What is the best time of day to fly from SMF to AUS?
Departures around 6 a.m. have the best record (97% on-time), while departures around 3 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from SMF to AUS?
The scheduled SMF–AUS flight time averages 3h 18m over 1,481 miles. Actual arrival times vary — flights on this route land 15+ minutes late 19% of the time.
How often are SMF to AUS flights cancelled?
0.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
What is the worst month to fly from SMF to AUS?
June 2026 was the roughest month in this dataset, with only 57% of arrivals on time. The best was September 2025 at 97%. If your dates are flexible, that 40-point gap is worth planning around.

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Based on 1,055 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.