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

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

74.1% of 2,795 official scheduled AUS-to-SFO flights arrived on time; 16.8% 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
74.1%arrived on time
16.8%30+ min late
0.9%cancelled
2,795scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.9%all scheduled flights
120+ minutes late3.0%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+8.1 mincompleted flights

Which departure time was most reliable for AUS to SFO?

Among qualifying AUS-to-SFO departure window results, Early morning had the highest on-time rate: 84.4% of 828 flights. Evening was lowest at 64.4% across 404 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning82884.4%10.0%0.7%
Late morning72973.0%17.1%0.8%
Afternoon83469.7%19.4%0.8%
Evening40464.4%24.5%1.2%

Which weekday was most reliable for AUS to SFO?

Among qualifying AUS-to-SFO weekday results, Saturday had the highest on-time rate: 82.3% of 345 flights. Sunday was lowest at 68.6% across 407 flights.

DayFlightsOn time30+ minCancelled
Monday42470.5%19.1%1.2%
Tuesday39281.1%13.0%0.5%
Wednesday39073.1%17.9%0.5%
Thursday41872.5%17.2%1.0%
Friday41972.6%18.1%0.5%
Saturday34582.3%8.4%0.9%
Sunday40768.6%22.1%1.5%

Which airline was most reliable for AUS to SFO?

Among qualifying AUS-to-SFO airline results, United Airlines had the highest on-time rate: 78.1% of 1,655 flights. Southwest Airlines was lowest at 62.2% across 344 flights.

AirlineFlightsOn time30+ minCancelled
United Airlines1,65578.1%15.3%0.8%
Delta Air Lines44465.8%20.3%1.1%
Alaska Airlines34477.6%13.1%1.2%
Southwest Airlines34462.2%23.5%0.6%
SkyWest Airlines875.0%0.0%0.0%

Which month was most reliable for AUS to SFO?

Among qualifying AUS-to-SFO month results, August 2025 had the highest on-time rate: 84.9% of 251 flights. May 2026 was lowest at 53.0% across 253 flights.

MonthFlightsOn time30+ minCancelled
July 202524169.7%17.8%2.9%
August 202525184.9%7.6%0.8%
September 202522883.3%7.5%0.0%
October 202525284.1%9.5%0.8%
November 202525180.9%12.7%0.8%
December 202526182.8%13.4%0.8%
January 202620374.9%13.3%3.4%
February 202618276.9%13.7%0.0%
March 202621084.8%9.0%0.5%
April 202622060.0%26.4%0.0%
May 202625353.0%36.0%0.4%
June 202624355.1%32.5%0.0%

What drove AUS to SFO delay minutes?

National airspace was the largest recorded AUS-to-SFO delay category, accounting for 44.9% of 45,145 BTS-attributed delay minutes during July 2025–June 2026.

Airline21.5%
Late aircraft32.4%
National airspace44.9%
Weather1.0%
Security0.3%
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.