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Route · AUS → SFO · 2020–2025 BTS data

Austin to San Francisco

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), AUS to SFO (Austin to San Francisco) ranks #969 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.8%
On-time
+3.8 pts
vs US avg
74 min
Delay when late
11,493
Flights
#969 of 4927
Corpus placement

Cancelled

1.4%

Best Month

Apr 2025 91%

Worst Month

May 2024 54%

Distance

1,504 mi

Carriers

21

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 261 43 2 0 DL,WN,AS,UA
Nov 2025 251 45 2 1 UA,AS,DL,WN
Oct 2025 252 38 2 0 AS,DL,OO,UA,WN
Sep 2025 228 38 0 0 UA,WN,OO,DL,AS
Aug 2025 251 36 2 0 WN,UA,AS,DL
Jul 2025 241 65 7 1 AS,DL,UA
Jun 2025 229 69 2 0 AS,DL,OO,UA
May 2025 208 49 1 0 AS,OO,UA
Apr 2025 196 18 0 0 OO,UA,AS
Mar 2025 210 42 0 0 AS,UA
Feb 2025 160 33 0 0 AS,UA
Jan 2025 168 16 0 0 AS,OO,UA
Dec 2024 169 30 0 0 AS,OO,UA
Nov 2024 205 49 1 0 OO,UA,AS
Oct 2024 205 26 4 0 UA,AS,OO
Sep 2024 165 23 0 1 UA,AS
Aug 2024 173 27 0 0 AS,UA
Jul 2024 176 38 2 2 AS,UA
Jun 2024 140 44 0 0 AS,UA
May 2024 149 68 3 0 AS,OO,UA
Apr 2024 146 61 1 0 AS,OO,UA
Mar 2024 178 61 0 0 AS,OO,UA
Feb 2024 142 56 1 0 AS,OO,UA
Jan 2024 153 32 37 0 AS,UA

AUS–SFO seasonal on-time pattern

Best: October (86.8%) · weakest: June (77.1%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 82.2%

Strongest calendar month

October

86.8% on-time · ~178 flights/mo

Busiest calendar month

March

~181 flights/mo avg

Weakest calendar month

June

77.1% on-time · ~178 flights/mo

Cancellation Rate

1.4%

67 of 4,656 flights

Diversion Rate

0.1%

5 of 4,656 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

AUS - Austin

Full on-time, delay-cause, and seasonal performance for Austin, TX.

AUS on-time profile

SFO - San Francisco

Full on-time, delay-cause, and seasonal performance for San Francisco, CA.

SFO on-time profile

Compare the two airports

See AUS and SFO side by side on delays, cancellations, and reliability.

Compare AUS vs SFO

Origin-hub reliability standing

Mid-pack among AUS departures

From AUS, this corridor sits with 45 other 75–85% on-time routes out of 55 tracked departures, not the hub's reliability leaders (3 at ≥85%) and not the softest ( 7 below 75%). Destination: San Francisco · fleet on-time rank #2018 of 4927.

What the Data Says About AUS to SFO

Bureau of Transportation Statistics records show Austin to San Francisco (AUS to SFO) running a 82.8% on-time rate over 11,493 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 74.0 minutes. The 1,504-mile corridor is served by 21 carriers, and over the last 24 months 1.4% of 4,656 flights were cancelled, 0.1% diverted.

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 91% on-time, while May 2024 came in at just 54% - a 37-point swing worth factoring into travel timing.

On the multi-year calendar, AUS–SFO peaks in October at 86.8% on-time while March carries the heaviest traffic (~181 flights per month) ; the softest month is June at 77.1%, a 9.7-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does AUS to SFO rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, AUS to SFO ranks #969 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from AUS to SFO? ▼
Flights from Austin to San Francisco have a 82.8% on-time rate based on 11,493 flights. The average delay is 74.0 minutes. The best recent month was Apr 2025 with 91% on-time.
What is the cancellation rate for AUS to SFO? ▼
Over the last 24 months, 1.4% of flights on this route were cancelled (67 of 4,656 flights) and 0.1% were diverted.
How far is the flight from AUS to SFO? ▼
The flight distance from Austin (AUS) to San Francisco (SFO) is approximately 1,504 miles. This route is served by 21 carriers.
When is the best time to fly from AUS to SFO? ▼
The best recent month for on-time performance was Apr 2025 (91% on-time). The worst was May 2024 (54% on-time). Consider booking during months with historically better performance.

Airports on this route

AUS Airport

Austin
SFO Airport

San Francisco
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using AUS–SFO data

AUS–SFO runs 3.8 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare AUS and SFO airport profiles: delay causes and top routes differ even on the same corridor. AUS airport
  • If your dates flex, October (86.8% on-time) beats June (77.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.8% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.