Direct flights from Ontario (ONT) to Phoenix (PHX): 21 nonstop departures observed each week across 3 airlines. 80% of the last 5 operated flights arrived within 15 minutes of schedule. The median arrival is 10 minutes late. No cancellations were recorded across the 5 tracked flights. The nonstop covers 521 km, an estimated 1 hour 10 minutes in the air. Measured by Pro Flight Search from live flight boards at Ontario and Phoenix. Updated 18 October 2026 at 00:07 UTC.
Today, ONT → PHX
Sat 17 Oct · local times
AA4171American AirlinesIn the air, 19 min late
Left ONT at 10:00, 19 min after its 09:41 slot.
Likely landing
about 10:55middle half 10:51 to 11:05 · sched 11:02
Landing estimate from 199,736 tracked flights of under 2 hours that left 15 to 29 min late. The PHX board has not posted a landing time yet. How planes make up time
Pro Flight Search records official board updates for nonstop ONT to PHX 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.
Smooth skies ahead. The departure side at ONT is the weaker end, route health score 87/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on ONT–PHX?
Operators schedule morning departures around 05:20 and evening departures around 17:00 from ONT. Earlier flights typically land before destination-airport delays accumulate later in the day; check the PHX delay card to confirm conditions when you'd arrive.
How long is the flight from ONT to PHX?
Great-circle distance is 521 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 67–75 min gate-to-gate on this route.
How often does ONT–PHX fly?
3 carriers operate this route, around 72 flights a week between them. Compare carrier days and times in the airline list above.