Austin (AUS) to Ontario (ONT)
Flight time
≈ 3h 11m
Bearing
288° W
Austin (AUS) to Ontario (ONT) is 1,195 miles (1,923 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies AUS–ONT
Filed traffic dataIn July 2026, Southwest Airlines was the only carrier flying nonstop AUS–ONT; the Boeing 737-700 was the most common aircraft at 61% of departures; flights ran 86% full.
Departures
61
July 2026
Seats
9,269
both directions
Passengers
7,980
both directions
Load factor
86.1%
RPM ÷ ASM
Who flies AUS–ONT?
Southwest Airlines was the only carrier to fly nonstop AUS–ONT in July 2026 (61 departures).
- WN
61 departures · 9,269 seats
Share of departures100.0%86.1%
Load
What plane flies AUS–ONT?
In July 2026, the Boeing 737-700 flew 61% of AUS–ONT departures — more than any other aircraft type.
- Boeing 737-700
37 departures · 85.1% load
60.7% - Boeing 737 MAX 8
15 departures · 84.9% load
24.6% - Boeing 737-800
9 departures · 91.2% load
14.8%
How has AUS–ONT traffic changed?
Nonstop AUS–ONT departures rose from 52 in August 2025 to 61 in July 2026.
Monthly nonstop AUS–ONT traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
52 departures · 6,219 passengers
75.7%
Load
September 2025
55 departures · 6,972 passengers
80.7%
Load
October 2025
54 departures · 6,737 passengers
82.1%
Load
November 2025
58 departures · 7,428 passengers
75.6%
Load
December 2025
61 departures · 7,931 passengers
78.0%
Load
January 2026
55 departures · 5,487 passengers
66.8%
Load
February 2026
49 departures · 5,805 passengers
74.5%
Load
March 2026
64 departures · 8,718 passengers
78.8%
Load
April 2026
54 departures · 7,078 passengers
78.0%
Load
May 2026
52 departures · 7,053 passengers
82.0%
Load
June 2026
60 departures · 8,242 passengers
88.8%
Load
July 2026
61 departures · 7,980 passengers
86.1%
Load
By direction
Each direction is filed separately — they rarely match.
ONT → AUS
86.9% full
31 departures · 4,253 passengers
AUS → ONT
85.2% full
30 departures · 3,727 passengers
Nonstop AUS–ONT traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Frequently asked
How far is Austin (AUS) from Ontario (ONT)?
AUS to ONT is 1,195 miles (1,923 km / 1,038 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from AUS to ONT?
A nonstop covers the 1,195-mile great-circle distance in roughly 3h 11m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies AUS–ONT?
In July 2026, the Boeing 737-700 flew the largest share of departures (60.7%), followed by the Boeing 737 MAX 8 (24.6%).
What mileage do I earn flying AUS–ONT?
Distance-based programs credit off the 1,195-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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