Houston (HOU) to Ontario (ONT)
Flight time
≈ 3h 29m
Bearing
289° W
Houston (HOU) to Ontario (ONT) is 1,342 miles (2,160 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies HOU–ONT
Filed traffic dataIn May 2026, Southwest Airlines was the only carrier flying nonstop HOU–ONT; the Boeing 737 MAX 8 was the most common aircraft at 65% of departures; flights ran 82% full.
Departures
62
May 2026
Seats
10,850
both directions
Passengers
8,883
both directions
Load factor
81.9%
RPM ÷ ASM
Who flies HOU–ONT?
Southwest Airlines was the only carrier to fly nonstop HOU–ONT in May 2026 (62 departures).
- WN
62 departures · 10,850 seats
Share of departures100.0%81.9%
Load
What plane flies HOU–ONT?
In May 2026, the Boeing 737 MAX 8 flew 65% of HOU–ONT departures — more than any other aircraft type.
- Boeing 737 MAX 8
40 departures · 81.5% load
64.5% - Boeing 737-800
22 departures · 82.5% load
35.5%
How has HOU–ONT traffic changed?
Nonstop HOU–ONT departures rose from 59 in June 2025 to 62 in May 2026.
Monthly nonstop HOU–ONT traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
59 departures · 8,315 passengers
85.9%
Load
July 2025
62 departures · 8,311 passengers
82.2%
Load
August 2025
60 departures · 7,578 passengers
73.3%
Load
September 2025
60 departures · 7,814 passengers
74.7%
Load
October 2025
60 departures · 7,956 passengers
77.7%
Load
November 2025
58 departures · 7,656 passengers
78.9%
Load
December 2025
62 departures · 8,423 passengers
82.0%
Load
January 2026
61 departures · 6,600 passengers
63.1%
Load
February 2026
55 departures · 5,791 passengers
61.1%
Load
March 2026
62 departures · 7,800 passengers
72.9%
Load
April 2026
60 departures · 8,256 passengers
78.9%
Load
May 2026
62 departures · 8,883 passengers
81.9%
Load
By direction
Each direction is filed separately — they rarely match.
HOU → ONT
80.7% full
31 departures · 4,375 passengers
ONT → HOU
83.1% full
31 departures · 4,508 passengers
Nonstop HOU–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 Houston (HOU) from Ontario (ONT)?
HOU to ONT is 1,342 miles (2,160 km / 1,166 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from HOU to ONT?
A nonstop covers the 1,342-mile great-circle distance in roughly 3h 29m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies HOU–ONT?
In May 2026, the Boeing 737 MAX 8 flew the largest share of departures (64.5%), followed by the Boeing 737-800 (35.5%).
What mileage do I earn flying HOU–ONT?
Distance-based programs credit off the 1,342-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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