UA430United Airlines · DEN → ONT
live · 32m ago
Route confirmed United Airlines

UA430 DenverDEN · 11:15 OntarioONT · 12:16

UA430 by United Airlines flies from Denver (DEN) to Ontario (ONT) for the Mon, Oct 26 departure.

Right nowLanded in Ontario · today
12:29

arrived at ONT · 13 min late

Typical gate push−3 minmedian posted departure
Typical arrival−5 minmedian over 9 operations
Wins back in air~2 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-26
+13 arrival
10-25
+9 gate · +13 arrival
10-24
+8 gate · −1 arrival
10-23
−3 gate · −5 arrival
10-22
−3 gate · −3 arrival
10-21
−4 gate · −6 arrival
10-20
−4 gate · −7 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −5 min · 0 cancelled · 9 operations tracked

The route today

live boards
DENDenverHigh riskDEN delay board →
ONTOntarioOn-time likelyONT delay board →
DEN→ONTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
48%Chance of 15+ min delay
2.4%Chance of cancellation
+11 minAvg hub delay right now

Driven mainly by DEN (Denver), currently flying LIFR (low instrument). For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Denver to Ontario flights today

same route · United Airlines
UA2028departs 19:35

If UA430 is cancelled, this is the other United Airlines nonstop flight from Denver to Ontario on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA430 actually runs

Pro Flight Search has tracked every published board update for UA430 across the DEN and ONT boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 9 confirmed landings · 7/9 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA430 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-26DEN 11:15ONT 12:16 12:29 (+13)
10-25DEN 11:15 11:24 (+9)ONT 12:16 12:29 (+13)
10-24DEN 11:26 11:34 (+8)ONT 12:46 12:45 (−1)
10-23DEN 11:26 11:23 (−3)ONT 12:46 12:41 (−5)
10-22DEN 11:26 11:23 (−3)ONT 12:46 12:43 (−3)
10-21DEN 11:26 11:22 (−4)ONT 12:46 12:40 (−6)
10-20DEN 11:26 11:22 (−4)ONT 12:46 12:39 (−7)
10-19DEN 11:26 11:22 (−4)ONT 12:46 12:35 (−11)
10-18DEN 11:26 11:24 (−2)ONT 12:46 12:34 (−12)

Aircraft

Recent tails: N73275, N27539, N77598, N77572.

Board clocks recorded as DEN and ONT published them.

Planning around UA430? 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 — UA430 Denver to Ontario on-time performance, measured from the DEN and ONT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA430
How we measure this →