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Route Reliability

Sacramento → Austin

SMF–AUS · 1,481 miles · Sacramento International Airport to Austin–Bergstrom International Airport

87
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
6 min
Average arrival delay
0.2%
Cancelled
446
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 81% of the time across 446 flights. No comparison to make.

What the data says

Morning flights do better here.

SMF–AUS flights departing between 3–6 AM arrived on time 100% of the time, versus 38% between 3–6 PM.

Sunday scaries are real for this one.

SMF–AUS flights arrived on time 89% of the time on Thursdays and just 62% on Sundays. That gap is worth planning around.

It basically never cancels.

Out of 446 scheduled flights, only 0.2% were cancelled.

Recent months have been rougher.

SMF–AUS flights arrived on time 78% of the time over the last three months in the data, compared with 86% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon84%(61 flights)
  • Tue80%(61 flights)
  • Wed87%(61 flights)
  • Thu89%(61 flights)
  • Fri87%(61 flights)
  • Sat80%(66 flights)
  • Sun62%(73 flights)
On-time by departure window
  • 3–6 AM100%(14 flights)
  • 6–9 AM93%(251 flights)
  • 9 AM–12 PM73%(93 flights)
  • 12–3 PM60%(15 flights)
  • 3–6 PM38%(45 flights)
  • 6–9 PM65%(26 flights)
On-time trend by month
74%
May

Jun 75% → May 74% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202575%59
July 202577%62
August 202582%38
September 202597%34
October 202583%35
November 202569%32
December 202588%32
January 202684%32
February 202686%28
March 202674%31
April 202687%30
May 202674%31

Keep nerding

Based on 446 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.