ONT → HOUOntario to Houston

live

Direct flights from Ontario (ONT) to Houston (HOU): 7 nonstop departures observed each week across 1 airline. The median arrival is 41 minutes late. No cancellations were recorded across the 4 tracked flights. The nonstop covers 2,160 km, an estimated 3 hours 16 minutes in the air. Measured by Pro Flight Search from live flight boards at Ontario and Houston. Updated 18 October 2026 at 08:46 UTC.

Today, ONT → HOU

Sun 18 Oct · local times
  1. · WN3276 On schedule HOU 19:45scheduled

Checked ONT board 22:18 · HOU board 03:46

ONT Ontario smooth · +8
HOU Houston heavy · +31
2,160 km · ~3h 16m est.
dep bank 11:50–14:457x weekly
Running clean · 1 airline · 7x weekly · nonstop
73 / 100

route health from live ONT and HOU delay boards

Median arrival delay is +41 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+41 minacross the last 4 operated legs
Flight time~3h 16mestimated from route distance
Weekly departures7x1 direct airline on the leg

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Southwest AirlinesWN

Flights WN1296 11:50 Sa · WN4907 14:40 Mo Tu We Th Fr · WN3276 14:45 Su

History

operated legs · board outcomes
10-17WN1296dep +27 → arr+26
10-16WN4907dep +24 → arr+13
10-15WN4907dep +60 → arr+62
10-14WN4907arrived+41

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
ONTOntario +8 min smooth 🌤 scattered clouds · NNE 3 kt Full ONT delay board →
HOUHouston +31 min heavy 🌤 scattered clouds · N 6 kt Full HOU delay board →

Weather lens

Current conditions put the pressure at ONT and HOU: 43% odds of a 15+ minute delay and around +8 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Ontario to Houston route actually runs

Pro Flight Search records official board updates for nonstop ONT to HOU flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Ontario (ONT) to Houston (HOU) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/ONT-HOU
How we measure this →

ONT to HOU questions

Is ONT–HOU running on time right now?

Mostly on schedule. The arrival side at HOU is the weaker end, route health score 73/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on ONT–HOU?

Operators schedule morning departures around 11:50 from ONT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the HOU delay card to confirm conditions when you'd arrive.

How long is the flight from ONT to HOU?

Great-circle distance is 2,160 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 182–215 min gate-to-gate on this route.

How often does ONT–HOU fly?

Southwest Airlines runs the route with about 7 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.