HOU → ONTHouston to Ontario

live

Direct flights from Houston (HOU) to Ontario (ONT): 7 nonstop departures observed each week across 1 airline. The median arrival is 7 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 Houston and Ontario. Updated 18 October 2026 at 19:54 UTC.

Today, HOU → ONT

Sun 18 Oct · local times
WN488015 min late

The HOU board at 14:54 shows departure at 21:50 instead of 21:35, gate 49.

Still to leave today
No other nonstoplast HOU to ONT departure of the day
Track WN4880 →
  1. 21:35 WN4880 Est. 21:50 +15Gate 49 ·

Checked HOU board 14:54 · ONT board 10:18

HOU Houston smooth · +10
ONT Ontario smooth · +0
2,160 km · ~3h 16m est.
dep bank 08:00–21:357x weekly
Running clean · 1 airline · 7x weekly · nonstop
93 / 100

route health from live HOU and ONT delay boards

Median arrival delay is +7 min. 0 of 4 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+7 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

History

operated legs · board outcomes
10-17WN1688dep +14 → arr+7
10-16WN4337dep −2 → arr−14
10-15WN4337dep +10 → arr+4
10-14WN4965departed+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
HOUHouston +10 min smooth 🌤 few clouds · ENE 6 kt Full HOU delay board →
ONTOntario +0 min smooth 🌤 mostly cloudy · N 0 kt Full ONT delay board →

Weather lens

Current conditions put the pressure at HOU and ONT: 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 Houston to Ontario route actually runs

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

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

HOU to ONT questions

Is HOU–ONT running on time right now?

Smooth skies ahead. The departure side at HOU is the weaker end, route health score 93/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on HOU–ONT?

Operators schedule morning departures around 08:00 and evening departures around 21:35 from HOU. Earlier flights typically land before destination-airport delays accumulate later in the day; check the ONT delay card to confirm conditions when you'd arrive.

How long is the flight from HOU to ONT?

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 HOU–ONT 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.