How delayed are Ontario California Airport (ONT) arrivals right now?
Ontario California Airport (ONT) delays today: 69% of the 98 flights we have timed operated within 15 minutes of schedule. Arrivals are running on schedule.
Ontario California Airport (ONT) delays today: 69% of the 98 flights we have timed operated within 15 minutes of schedule. Arrivals are running on schedule. The busiest arrival hour on today's board is 12:00 local, with 8 flights scheduled to land. The most-served origin today is Phoenix (PHX), with 7 arrivals on the board. Source: official airport boards, METAR weather, Pro Flight Search tracking. Updated 29 October 2026 at 22:18 UTC.
ARRIVALS MINOR DELAYS
on schedule
typical arrival delay right now
Departures +12 min, arrivals on schedule. This airport's board does not publish cancellations.
Live departures · Delays & weather · Direct routes · Global delays now
Cancellation risk · Do planes make up time? · Weather delay risk
JUST LANDED1I 712 from RDU · on time
Live arrivals board
est. touchdown
15:11
1I 712RDU
landed
Scheduled15:28Landed15:11
Landed 15:11, on schedule
15:27NOW
15:30
UA 5592SFO
on time
Scheduled15:33Estimated15:30Terminal2
Running to plan on the current board.
Will UA5592 be delayed? Odds and reasons on willmyflightbedelayed.com
15:37
WN 2554LAS
on time
Scheduled15:40Estimated15:37Terminal4
Running to plan on the current board.
Will WN2554 be delayed? Odds and reasons on willmyflightbedelayed.com
15:44
WN 235PHX
6 min early
Scheduled15:50Estimated15:44Terminal4
Running to plan on the current board.
Will WN235 be delayed? Odds and reasons on willmyflightbedelayed.com
15:59
DL 3747SLC
24 min early
Scheduled16:23Estimated15:59Terminal2
Running to plan on the current board.
Will DL3747 be delayed? Odds and reasons on willmyflightbedelayed.com
16:0415:16
AA 2859PHX
+48 min
Scheduled15:16Estimated16:04Terminal4
Running +48 min against the 15:16 schedule on the current board.
Will AA2859 be delayed? Odds and reasons on willmyflightbedelayed.com
16:08
F9 1923LAS
13 min early
Scheduled16:21Estimated16:08
Running to plan on the current board.
Will F91923 be delayed? Odds and reasons on willmyflightbedelayed.com
16:34
WN 2424OAK
6 min early
Scheduled16:40Estimated16:34Terminal4
Running to plan on the current board.
16:36
AS 3032STS
29 min early
Scheduled17:05Estimated16:36Terminal2
Running to plan on the current board.
17:0716:50
AS 2456PDX
+17 min
Scheduled16:50Estimated17:07Terminal2
Board says +17. When this board first posts +15, the median flight lands +19.
Will AS2456 be delayed? Odds and reasons on willmyflightbedelayed.com
17:09
DL 4031SEA
on time
Scheduled17:12Estimated17:09Terminal2
Running to plan on the current board.
Will DL4031 be delayed? Odds and reasons on willmyflightbedelayed.com
17:26
PCM 7654IYK
on time
Scheduled17:26Estimated17:26
Running to plan on the current board.
17:3017:20
PCM 7694SBP
+10 min
Scheduled17:20Estimated17:30
Running to plan on the current board.
Board fetched 9m ago · how we report
3landed
last hour
last hour
6inbound
next hour
next hour
3delayed
15+ min
15+ min
0cancelled
on board
on board
Runway demand · next 3 h
15:2716:5718:22
Scheduled arrivals per 15 minutes. The tallest banks are where queues form.
Trouble upstream
next 2½ h originsYour aircraft is usually late before it leaves. Origin delay is the strongest single predictor of a late arrival here.
Where Ontario California Airport (ONT) arrivals come from
Origins on the current board, busiest first. 33 airports feed this arrivals window.
Busiest arrival hours at Ontario California Airport (ONT)
00:0012:0023:00
The busiest arrival hour on today's board is 12:00 local, with 8 flights scheduled to land.
Tomorrow at Ontario California
ForecastFri 30 Oct, local date
High21°Clikely 19°C to 22°C
Low16°Clikely 14°C to 17°C
Outlook: elevated
- Chance a departure leaves 60+ min late
- 8.9%usually 6.2%
Tomorrow's weather is not the main reason.
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · Based on about 92 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When this board says…
posted +15
+19
posted +30
+33
posted +45
+48
posted +60
+63
board's first estimatemedian actual
Every board update is stored, including the revisions. The first delay this board admits understates the median outcome. Posted vs. actual across every hub: the slippage study →
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 California Airport (ONT) live delay and board tracking, measured from official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/airport-arrivals/ontario-ONT
Ontario California Airport (ONT) arrivals: common questions
How many flights are cancelled at Ontario California Airport (ONT) today?
No cancellations are showing across the 70 flights currently on the board.
What is the busiest arrival hour at Ontario California Airport (ONT)?
The busiest arrival hour on today's board is 12:00 local, with 8 flights scheduled to land.
Where do Ontario California Airport (ONT) arrivals come from?
The busiest origins on the current board are Phoenix (PHX), Seattle (SEA), Sacramento (SMF), Las Vegas (LAS), Dallas-Fort Worth (DFW). In total 33 airports feed this window.
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