UA4738United Airlines · BIS → DEN
live · 21m ago
Route confirmed United Airlines

UA4738 BismarckBIS DenverDEN · 07:00

UA4738 by United Airlines flies from Bismarck (BIS) to Denver (DEN) for the Wed, Oct 28 departure.

Right nowLanded in Denver · today
06:44

arrived at DEN · 16 min early

Typical arrival−9 minmedian over 9 operations

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-28
−16 arrival
10-26
−1 arrival
10-25
−11 arrival
10-24
−5 arrival
10-23
+4 arrival
10-22
−9 arrival
10-21
−24 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 −9 min · 0 cancelled · 9 operations tracked

The route today

live boards
BISBismarckOn-time likelyBIS delay board →
DENDenverOn-time likelyDEN delay board →
BIS→DENevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow at Denver

Forecast

Thu 29 Oct, local date

High16°Clikely 12°C to 19°C
Low4°Clikely 2°C to 6°C
Outlook: about usual
Chance a departure leaves 60+ min late
10%usually 11%

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

How UA4738 actually runs

Pro Flight Search has tracked every published board update for UA4738 across the BIS and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 9 confirmed landings · 8/9 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA4738 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
10-28BIS DEN 07:00 06:44 (−16)
10-26BIS DEN 07:00 06:59 (−1)
10-25BIS DEN 07:00 06:49 (−11)
10-24BIS DEN 06:58 06:53 (−5)
10-23BIS DEN 06:58 07:02 (+4)
10-22BIS DEN 06:58 06:49 (−9)
10-21BIS DEN 06:58 06:34 (−24)
10-20BIS DEN 06:58 07:59 (+61)
10-19BIS DEN 06:58 06:45 (−13)

Aircraft

Recent tails: N773SK, N793SK, N738EV, N788SK.

Board clocks recorded as BIS and DEN 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 — UA4738 Bismarck to Denver on-time performance, measured from the BIS and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4738
How we measure this →