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 May 2026, Southwest Airlines was the only carrier flying nonstop AUS–ONT; the Boeing 737 MAX 8 was the most common aircraft at 40% of departures; flights ran 82% full.
Departures
52
May 2026
Seats
8,606
both directions
Passengers
7,053
both directions
Load factor
82.0%
RPM ÷ ASM
Who flies AUS–ONT?
Southwest Airlines was the only carrier to fly nonstop AUS–ONT in May 2026 (52 departures).
- WN
52 departures · 8,606 seats
Share of departures100.0%82.0%
Load
What plane flies AUS–ONT?
In May 2026, the Boeing 737 MAX 8 flew 40% of AUS–ONT departures — more than any other aircraft type.
- Boeing 737 MAX 8
21 departures · 76.9% load
40.4% - Boeing 737-800
18 departures · 83.4% load
34.6% - Boeing 737-700
13 departures · 89.8% load
25.0%
How has AUS–ONT traffic changed?
Nonstop AUS–ONT departures fell from 62 in June 2025 to 52 in May 2026.
Monthly nonstop AUS–ONT traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
62 departures · 8,766 passengers
86.4%
Load
July 2025
62 departures · 8,851 passengers
88.6%
Load
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
By direction
Each direction is filed separately — they rarely match.
AUS → ONT
84.7% full
26 departures · 3,437 passengers
ONT → AUS
79.5% full
26 departures · 3,616 passengers
Nonstop AUS–ONT traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 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 May 2026, the Boeing 737 MAX 8 flew the largest share of departures (40.4%), followed by the Boeing 737-800 (34.6%).
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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