UA2028United Airlines · DEN → ONT
live · 3m ago
Route confirmed United Airlines

UA2028 DenverDEN · 19:35 OntarioONT · 23:01

UA2028 by United Airlines flies from Denver (DEN) to Ontario (ONT) for the Thu, Oct 15 departure.

Right nowOn time · gate B31
19:35

departs DEN · on schedule

Typical gate push+45 minmedian posted departure
Typical arrival+51 minmedian over 5 operations

Where the minutes go

last 7 operations · gate push → arrival
0+63+127+190 min
10-15
+54 arrival
10-14
+190 gate · +54 arrival
10-13
−4 gate · +0 arrival
10-12
+45 gate
10-11
+59 gate · +51 arrival
10-10
−3 gate · −15 arrival
10-09
+0 gate

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 +51 min · 0 cancelled · 7 operations tracked

The route today

live boards
DENDenverOn-time likelyDEN delay board →
ONTOntarioHigh riskONT delay board →
DEN→ONTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
1.4%Chance of cancellation
+10 minAvg hub delay right now

Conditions at DEN and ONT are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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
UA430departs 11:26

If UA2028 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 UA2028 actually runs

Pro Flight Search has tracked every published board update for UA2028 across the DEN and ONT boards: schedule changes, gate pushes and actual clocks. Usually lands ~51 min late. Based on 5 confirmed landings · 2/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA2028 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
10-15DEN 19:35ONT 23:01 23:55 (+54)
10-14DEN 19:35 22:45 (+190)ONT 23:01 23:55 (+54)
10-13DEN 19:35 19:31 (−4)ONT 20:46 (+0)
10-12DEN 19:35 20:20 (+45)ONT
10-11DEN 19:35 20:34 (+59)ONT 20:58 21:49 (+51)
10-10DEN 19:35 19:32 (−3)ONT 20:58 20:43 (−15)
10-09DEN 19:35 (+0)ONT

Aircraft

Recent tails: N27421, N65832, N66841, N66808.

Board clocks recorded as DEN and ONT published them.

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 — UA2028 Denver to Ontario on-time performance, measured from the DEN and ONT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA2028
How we measure this →