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Route Reliability

San Jose → Austin

SJC–AUS · 1,476 miles · San José Mineta International Airport to Austin–Bergstrom International Airport

84
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
7 min
Average arrival delay
0.3%
Cancelled
1,163
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 79% of the time across 1,163 flights. No comparison to make.

What the data says

Morning flights do better here.

SJC–AUS flights departing between 6–9 AM arrived on time 94% of the time, versus 66% between 6–9 PM.

Thursdays have been rough.

SJC–AUS flights arrived on time 88% of the time on Wednesdays and just 73% on Thursdays. That gap is worth planning around.

It basically never cancels.

Out of 1,163 scheduled flights, only 0.3% were cancelled.

Slipping a little lately.

SJC–AUS flights arrived on time 76% of the time over the last three months in the data, compared with 80% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon75%(194 flights)
  • Tue87%(164 flights)
  • Wed88%(164 flights)
  • Thu73%(192 flights)
  • Fri73%(195 flights)
  • Sat88%(84 flights)
  • Sun73%(161 flights)
On-time by departure window
  • 6–9 AM94%(400 flights)
  • 9 AM–12 PM75%(227 flights)
  • 12–3 PM76%(121 flights)
  • 3–6 PM66%(187 flights)
  • 6–9 PM66%(219 flights)
On-time trend by month
70%
May

Jun 79% → May 70% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202579%105
July 202583%109
August 202584%95
September 202585%95
October 202567%94
November 202578%95
December 202575%92
January 202686%84
February 202680%83
March 202679%98
April 202680%101
May 202670%103

Same trip, other airports

Keep nerding

Based on 1,163 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.