UA1235United Airlines · DAY → DEN
live · 36m ago
Route confirmed United Airlines

UA1235 DaytonDAY DenverDEN · 09:17

UA1235 by United Airlines flies from Dayton (DAY) to Denver (DEN) for the Wed, Oct 28 departure.

Right nowExpected in Denver · On time
09:17

arrival expected at DEN · on schedule

Typical arrival−16 minmedian over 10 operations
Cancellation0 in 10tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-27
−36 arrival
10-26
−16 arrival
10-25
−40 arrival
10-24
−6 arrival
10-23
−15 arrival
10-22
−21 arrival
10-21
−17 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 −16 min · 0 cancelled · 10 operations tracked

The route today

live boards
DAYDaytonOn-time likelyDAY delay board →
DENDenverOn-time likelyDEN delay board →
DAY→DENevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow at Denver

Forecast

Wed 28 Oct, local date

High19°Clikely 16°C to 22°C
Low5°Clikely 3°C to 7°C
  • 28% chance of fog
Outlook: about usual
Chance a departure leaves 60+ min late
5.8%usually 11%

Weather behind it: 28% chance of fog at Denver

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 1,000 departures a day. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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.

How UA1235 actually runs

Pro Flight Search has tracked every published board update for UA1235 across the DAY and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~16 min early. Based on 10 confirmed landings · 10/10 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA1235 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
10-27DAY DEN 09:17 08:41 (−36)
10-26DAY DEN 09:17 09:01 (−16)
10-25DAY DEN 09:17 08:37 (−40)
10-24DAY DEN 10:33 10:27 (−6)
10-23DAY DEN 10:33 10:18 (−15)
10-22DAY DEN 10:33 10:12 (−21)
10-21DAY DEN 10:33 10:16 (−17)
10-20DAY DEN 10:33 10:14 (−19)
10-19DAY DEN 10:33 10:31 (−2)
10-18DAY DEN 10:33 (+0)

Aircraft

Recent tails: N834UA, N891UA, N823UA, N843UA.

Board clocks recorded as DAY and DEN published them.

Planning around UA1235? 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 — UA1235 Dayton to Denver on-time performance, measured from the DAY and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1235
How we measure this →