Austin (AUS) to San Diego (SAN)
Flight time
≈ 3h 07m
Bearing
284° W
Austin (AUS) to San Diego (SAN) is 1,162 miles (1,871 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies AUS–SAN
US DOT T-100 · filed dataIn April 2026, Southwest Airlines operated the most departures, one of 3 carriers flying nonstop AUS–SAN; the Embraer E175 was the most common aircraft at 46% of departures; flights ran 78% full.
Departures
486
April 2026
Seats
60,082
both directions
Passengers
47,077
both directions
Load factor
78.3%
passengers ÷ seats
Who flies AUS–SAN?
Southwest Airlines operated the most nonstop AUS–SAN departures in April 2026 (256), one of 3 carriers on the route.
- WN
Southwest Airlines
256 departures · 41,722 seats
Share of departures52.7%79.5%
Load
- OO
SkyWest Airlines
222 departures · 16,872 seats
Share of departures45.7%77.9%
Load
- F9
Frontier Airlines
8 departures · 1,488 seats
Share of departures1.6%51.9%
Load
What plane flies AUS–SAN?
In April 2026, the Embraer E175 flew 46% of AUS–SAN departures — more than any other aircraft type.
- Embraer E175
222 departures · 77.9% load
45.7% - Boeing 737 MAX 8
108 departures · 75.8% load
22.2% - Boeing 737-700
81 departures · 85.3% load
16.7% - Boeing 737-800
67 departures · 79.8% load
13.8% - Airbus A320neo
6 departures · 53.7% load
1.2% - Airbus A320
1 departures · 50.5% load
0.2% - Airbus A321neo
1 departures · 43.0% load
0.2%
How has AUS–SAN traffic changed?
Nonstop AUS–SAN departures rose from 347 in May 2025 to 486 in April 2026.
Monthly nonstop AUS–SAN traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
347 departures · 36,154 passengers
82.4%
Load
June 2025
391 departures · 43,517 passengers
80.8%
Load
July 2025
410 departures · 46,485 passengers
80.9%
Load
August 2025
363 departures · 39,262 passengers
79.7%
Load
September 2025
349 departures · 37,202 passengers
79.1%
Load
October 2025
399 departures · 47,926 passengers
82.5%
Load
November 2025
396 departures · 45,555 passengers
78.7%
Load
December 2025
391 departures · 47,761 passengers
81.7%
Load
January 2026
425 departures · 37,795 passengers
69.4%
Load
February 2026
428 departures · 40,476 passengers
75.4%
Load
March 2026
507 departures · 52,587 passengers
80.2%
Load
April 2026
486 departures · 47,077 passengers
78.3%
Load
By direction
The DOT files each direction separately — they rarely match.
AUS → SAN
78.1% full
243 departures · 23,233 passengers
SAN → AUS
78.6% full
243 departures · 23,844 passengers
Nonstop AUS–SAN traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Austin (AUS) from San Diego (SAN)?
AUS to SAN is 1,162 miles (1,871 km / 1,010 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from AUS to SAN?
A nonstop covers the 1,162-mile great-circle distance in roughly 3h 07m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies AUS–SAN?
In April 2026, the Embraer E175 flew the largest share of departures (45.7%), followed by the Boeing 737 MAX 8 (22.2%).
What mileage do I earn flying AUS–SAN?
Distance-based programs credit off the 1,162-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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