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.
Look up a route, or build a trip
Change the airports, or add stops for a multi-leg trip.
What actually flies HOU–ONT
Filed traffic dataIn July 2026, Southwest Airlines was the only carrier flying nonstop HOU–ONT; the Boeing 737-700 was the most common aircraft at 54% of departures; flights ran 87% full.
Departures
63
July 2026
Seats
9,733
both directions
Passengers
8,430
both directions
Load factor
86.6%
RPM ÷ ASM
Who flies HOU–ONT?
Southwest Airlines was the only carrier to fly nonstop HOU–ONT in July 2026 (63 departures).
- WN
63 departures · 9,733 seats
Share of departures100.0%86.6%
Load
What plane flies HOU–ONT?
In July 2026, the Boeing 737-700 flew 54% of HOU–ONT departures — more than any other aircraft type.
- Boeing 737-700
34 departures · 87.6% load
54.0% - Boeing 737 MAX 8
21 departures · 86.6% load
33.3% - Boeing 737-800
8 departures · 83.6% load
12.7%
How has HOU–ONT traffic changed?
Nonstop HOU–ONT departures rose from 60 in August 2025 to 63 in July 2026.
Monthly nonstop HOU–ONT traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
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
June 2026
60 departures · 8,109 passengers
87.3%
Load
July 2026
63 departures · 8,430 passengers
86.6%
Load
By direction
Each direction is filed separately — they rarely match.
HOU → ONT
82.5% full
32 departures · 4,058 passengers
ONT → HOU
90.8% full
31 departures · 4,372 passengers
Nonstop HOU–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 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 July 2026, the Boeing 737-700 flew the largest share of departures (54.0%), followed by the Boeing 737 MAX 8 (33.3%).
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.
Keep exploring
Every route below is its own page.
Popular long-haul routes