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

San Francisco, CA (SFO) to Austin, TX (AUS) flight delay odds

74.0% of 2,792 official scheduled SFO-to-AUS flights arrived on time; 16.2% arrived at least 30 minutes late and 0.8% 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
74.0%arrived on time
16.2%30+ min late
0.8%cancelled
2,792scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.5%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+9.5 mincompleted flights

Which departure time was most reliable for SFO to AUS?

Among qualifying SFO-to-AUS departure window results, Early morning had the highest on-time rate: 92.0% of 590 flights. Late morning was lowest at 61.4% across 453 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning59092.0%3.7%0.8%
Late morning45361.4%23.8%0.9%
Afternoon98766.3%21.4%1.0%
Evening58875.2%16.7%0.3%
Night17485.1%7.5%0.6%

Which weekday was most reliable for SFO to AUS?

Among qualifying SFO-to-AUS weekday results, Saturday had the highest on-time rate: 79.1% of 350 flights. Sunday was lowest at 70.8% across 408 flights.

DayFlightsOn time30+ minCancelled
Monday41771.5%17.3%1.2%
Tuesday38878.9%12.9%0.5%
Wednesday39675.5%16.9%1.0%
Thursday42071.2%16.4%0.2%
Friday41371.9%16.7%0.2%
Saturday35079.1%11.7%2.3%
Sunday40870.8%20.6%0.2%

Which airline was most reliable for SFO to AUS?

Among qualifying SFO-to-AUS airline results, Alaska Airlines had the highest on-time rate: 83.7% of 343 flights. Southwest Airlines was lowest at 44.8% across 344 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,65381.7%10.0%0.7%
Delta Air Lines44459.9%26.6%1.6%
Southwest Airlines34444.8%39.0%0.0%
Alaska Airlines34383.7%10.2%0.9%
SkyWest Airlines8100.0%0.0%0.0%

Which month was most reliable for SFO to AUS?

Among qualifying SFO-to-AUS month results, September 2025 had the highest on-time rate: 84.1% of 227 flights. June 2026 was lowest at 61.2% across 242 flights.

MonthFlightsOn time30+ minCancelled
July 202524170.1%17.8%2.9%
August 202525082.8%8.0%0.8%
September 202522784.1%7.5%0.0%
October 202525378.7%11.9%0.8%
November 202525074.4%15.2%0.4%
December 202526074.2%18.8%0.4%
January 202620473.0%15.2%3.4%
February 202618275.8%15.4%0.0%
March 202621080.5%9.5%0.5%
April 202622072.7%17.3%0.0%
May 202625361.7%26.9%0.4%
June 202624261.2%28.9%0.0%

What drove SFO to AUS delay minutes?

Late aircraft was the largest recorded SFO-to-AUS delay category, accounting for 55.0% of 42,332 BTS-attributed delay minutes during July 2025–June 2026.

Airline27.3%
Late aircraft55.0%
National airspace17.2%
Weather0.4%
Security0.0%
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.