BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
SAN→AUS

San Diego, CA (SAN) to Austin, TX (AUS) flight delay odds

72.1% of 2,552 official scheduled SAN-to-AUS flights arrived on time; 16.4% arrived at least 30 minutes late and 0.9% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
72.1%arrived on time
16.4%30+ min late
0.9%cancelled
2,552scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.2%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+9.2 mincompleted flights

Which departure time was most reliable for SAN to AUS?

Among qualifying SAN-to-AUS departure window results, Early morning had the highest on-time rate: 86.8% of 608 flights. Afternoon was lowest at 60.6% across 612 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning60886.8%5.3%1.0%
Late morning58674.6%14.0%0.9%
Afternoon61260.6%25.0%0.7%
Evening74667.7%20.2%1.1%

Which weekday was most reliable for SAN to AUS?

Among qualifying SAN-to-AUS weekday results, Wednesday had the highest on-time rate: 82.1% of 336 flights. Friday was lowest at 64.5% across 417 flights.

DayFlightsOn time30+ minCancelled
Monday41967.1%20.8%1.4%
Tuesday34781.6%10.7%0.3%
Wednesday33682.1%8.6%0.3%
Thursday39167.5%19.4%0.5%
Friday41764.5%22.1%1.0%
Saturday27177.5%10.7%1.5%
Sunday37169.5%18.3%1.3%

Which airline was most reliable for SAN to AUS?

Among qualifying SAN-to-AUS airline results, SkyWest Airlines had the highest on-time rate: 79.0% of 1,000 flights. Southwest Airlines was lowest at 67.6% across 1,429 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,42967.6%18.5%0.6%
SkyWest Airlines1,00079.0%13.0%1.3%
Frontier Airlines12369.1%18.7%1.6%

Which month was most reliable for SAN to AUS?

Among qualifying SAN-to-AUS month results, September 2025 had the highest on-time rate: 85.2% of 176 flights. June 2026 was lowest at 61.6% across 219 flights.

MonthFlightsOn time30+ minCancelled
July 202520568.3%17.1%0.0%
August 202518278.6%14.8%0.0%
September 202517685.2%8.5%1.1%
October 202520173.1%16.9%0.0%
November 202519969.8%19.1%1.0%
December 202519863.6%23.7%1.5%
January 202622483.0%8.5%4.9%
February 202621581.9%8.8%0.0%
March 202625462.6%20.1%0.4%
April 202624379.8%11.5%0.0%
May 202623661.9%22.0%0.8%
June 202621961.6%24.2%0.9%

What drove SAN to AUS delay minutes?

Late aircraft was the largest recorded SAN-to-AUS delay category, accounting for 54.4% of 36,322 BTS-attributed delay minutes during July 2025–June 2026.

Airline25.7%
Late aircraft54.4%
National airspace17.9%
Weather1.8%
Security0.1%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.