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Route · SFO → AUS · 2020–2025 BTS data

San Francisco to Austin

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SFO to AUS (San Francisco to Austin) ranks #970 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84.3%
On-time
+5.3 pts
vs US avg
65 min
Delay when late
11,490
Flights
#970 of 4927
Corpus placement

Cancelled

1.2%

Best Month

Apr 2025 91%

Worst Month

Jul 2025 74%

Distance

1,504 mi

Carriers

20

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 260 66 1 0 DL,WN,AS,UA
Nov 2025 250 61 1 2 UA,AS,DL,WN
Oct 2025 253 51 2 1 AS,DL,OO,UA,WN
Sep 2025 227 36 0 0 UA,WN,OO,DL,AS
Aug 2025 250 39 2 2 WN,UA,AS,DL
Jul 2025 241 63 7 2 AS,DL,UA
Jun 2025 229 38 2 0 AS,DL,OO,UA
May 2025 208 45 1 2 AS,OO,UA
Apr 2025 198 18 0 0 OO,UA,AS
Mar 2025 209 24 0 1 AS,UA
Feb 2025 160 20 0 0 AS,UA
Jan 2025 169 22 1 0 AS,OO,UA
Dec 2024 168 23 0 0 AS,OO,UA
Nov 2024 204 39 0 2 OO,UA,AS
Oct 2024 204 23 2 0 UA,AS
Sep 2024 167 20 0 1 UA,AS
Aug 2024 172 24 0 1 AS,UA
Jul 2024 176 22 3 0 AS,UA
Jun 2024 141 31 0 0 AS,UA
May 2024 151 31 3 2 AS,OO,UA
Apr 2024 146 21 0 0 AS,OO,UA
Mar 2024 178 32 0 0 AS,OO,UA
Feb 2024 142 13 1 0 AS,OO,UA
Jan 2024 152 29 32 2 AS,UA

SFO–AUS seasonal on-time pattern

Best: April (89.5%) · weakest: June (80.0%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 80.1%

Strongest calendar month

April

89.5% on-time · ~141 flights/mo

Busiest calendar month

March

~182 flights/mo avg

Weakest calendar month

June

80.0% on-time · ~178 flights/mo

Cancellation Rate

1.2%

58 of 4,655 flights

Diversion Rate

0.4%

18 of 4,655 flights

Explore origin & destination

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

SFO - San Francisco

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

SFO on-time profile

AUS - Austin

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

AUS on-time profile

Compare the two airports

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

Compare SFO vs AUS

Origin-hub reliability standing

Mid-pack among SFO departures

From SFO, this corridor sits with 50 other 75–85% on-time routes out of 73 tracked departures, not the hub's reliability leaders (20 at ≥85%) and not the softest ( 3 below 75%). Destination: Austin · fleet on-time rank #1484 of 4927.

What the Data Says About SFO to AUS

Bureau of Transportation Statistics records show San Francisco to Austin (SFO to AUS) running a 84.3% on-time rate over 11,490 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 64.6 minutes. The 1,504-mile corridor is served by 20 carriers, and over the last 24 months 1.2% of 4,655 flights were cancelled, 0.4% diverted.

The monthly split is wide on this route: Apr 2025 posted the strongest performance at 91% on-time, while Jul 2025 came in at just 74% - a 17-point swing worth factoring into travel timing.

On the multi-year calendar, SFO–AUS peaks in April at 89.5% on-time while March carries the heaviest traffic (~182 flights per month) ; the softest month is June at 80.0%, a 9.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SFO to AUS rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SFO to AUS ranks #970 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 SFO to AUS? ▼
Flights from San Francisco to Austin have a 84.3% on-time rate based on 11,490 flights. The average delay is 64.6 minutes. The best recent month was Apr 2025 with 91% on-time.
What is the cancellation rate for SFO to AUS? ▼
Over the last 24 months, 1.2% of flights on this route were cancelled (58 of 4,655 flights) and 0.4% were diverted.
How far is the flight from SFO to AUS? ▼
The flight distance from San Francisco (SFO) to Austin (AUS) is approximately 1,504 miles. This route is served by 20 carriers.
When is the best time to fly from SFO to AUS? ▼
The best recent month for on-time performance was Apr 2025 (91% on-time). The worst was Jul 2025 (74% on-time). Consider booking during months with historically better performance.

Airports on this route

SFO Airport

San Francisco
AUS Airport

Austin
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 SFO–AUS data

SFO–AUS runs 5.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SFO and AUS airport profiles: delay causes and top routes differ even on the same corridor. SFO airport
  • If your dates flex, April (89.5% on-time) beats June (80.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84.3% 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.