Alaska AirlinesAS85% on time
Flights AS544 07:12 daily · AS2169 10:45 Tu We Sa · AS730 10:47 Mo Tu We Th Fr Su · AS2456 18:05 daily
live
Direct flights from Ontario (ONT) to Portland (PDX): 10 nonstop departures observed each week across 2 airlines. 78% of the last 27 operated flights arrived within 15 minutes of schedule. The median arrival is 9 minutes early. No cancellations were recorded across the 27 tracked flights. The nonstop covers 1,351 km, an estimated 2 hours 14 minutes in the air. Measured by Pro Flight Search from live flight boards at Ontario and Portland. Updated 11 September 2026 at 19:08 UTC.
ONT
Ontario
smooth · +11
PDX
Portland
smooth · +0
1,351 km · ~2h 14m est.
Runs mixed · 2 airlines · 10x weekly · nonstop
78% on time
of the last 27 operated ONT → PDX flights arrived within 15 minutes
Median arrival delay is −9 min. 0 of 27 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival−9 minacross the last 27 operated legs
Flight time~2h 14mestimated from route distance
Weekly departures10x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 27
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesSouthwest 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 daysSouthwest AirlinesWN57% on time
Flights WN654 10:15 Mo Th Fr · WN3089 19:15 Mo Th Fr
History
operated legs · board outcomes09-11WN654arrived−9
09-10WN3089arrived+36
09-10WN654arrived−12
09-07WN111arrived+38
09-07WN654arrived−16
09-04WN3089arrived+49
09-04WN654arrived−6
Actual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Current conditions put the pressure at ONT and PDX: 41% 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 →
next sweep in 120s
How the Ontario to Portland route actually runs
Pro Flight Search records official board updates for nonstop ONT to PDX 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 Portland (PDX) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/ONT-PDX
ONT to PDX questions
Is ONT–PDX running on time right now?
Smooth skies ahead. The departure side at ONT is the weaker end, route health score 92/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on ONT–PDX?
Operators schedule morning departures around 07:12 and evening departures around 18:05 from ONT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the PDX delay card to confirm conditions when you'd arrive.
How long is the flight from ONT to PDX?
Great-circle distance is 1,351 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 125–146 min gate-to-gate on this route.
How often does ONT–PDX fly?
2 carriers operate this route, around 31 flights a week between them. Compare carrier days and times in the airline list above.
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