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Route Reliability

San Juan → Austin

SJU–AUS · 2,146 miles · Luis Muñoz Marín International Airport to Austin–Bergstrom International Airport

55
A Little Dicey
WanderNerd Reliability Score
61%
Arrive within 15 minutes
13 min
Average arrival delay
2.9%
Cancelled
34
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 61% of the time across 34 flights. No comparison to make.

What the data says

The 12–3 PM departure wins.

SJU–AUS flights departing between 12–3 PM arrived on time 65% of the time, versus 50% between 3–6 PM.

Flights on this route

The breakdown

On-time by weekday
  • Mon—(0 flights)
  • Tue—(0 flights)
  • Wed—(0 flights)
  • Thu—(0 flights)
  • Fri—(0 flights)
  • Sat61%(33 flights)
  • Sun—(0 flights)
On-time by departure window
  • 12–3 PM65%(20 flights)
  • 3–6 PM50%(12 flights)
  • 6–9 PM—(1 flights)

Keep nerding

Based on 34 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.