UA4733United Airlines · DEN → STL
live · 19m ago
Route confirmed United Airlines

UA4733 DenverDEN · 20:28 St LouisSTL · 23:44

UA4733 by United Airlines flies from Denver (DEN) to St Louis (STL) for the Fri, Oct 23 departure.

Right nowOn time · gate B68
20:28

departs DEN · on schedule

Typical gate push+5 minmedian posted departure
Typical arrival−23 minmedian over 7 operations
Wins back in air~28 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
10-22
+72 gate · +54 arrival
10-21
+0 gate · −26 arrival
10-20
−5 gate · −35 arrival
10-19
+8 gate · −19 arrival
10-18
+6 gate · −23 arrival
10-17
−6 gate · −27 arrival
10-16
+5 gate · −6 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 −23 min · 0 cancelled · 7 operations tracked

The route today

live boards
DENDenverOn-time likelyDEN delay board →
STLSt LouisOn-time likelySTL delay board →
DEN→STLevery 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
1.9%Chance of cancellation
+10 minAvg hub delay right now

Conditions at DEN and STL 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 St Louis flights today

same route · United Airlines
UA652departs 09:35
UA1639departs 13:30
UA1422departs 17:30

If UA4733 is cancelled, these are the other United Airlines nonstop flights from Denver to St Louis 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 UA4733 actually runs

Pro Flight Search has tracked every published board update for UA4733 across the DEN and STL boards: schedule changes, gate pushes and actual clocks. Usually lands ~17 min early. Based on 6 confirmed landings · 5/6 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how UA4733 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
10-22DEN 20:28 21:40 (+72)STL 23:44 00:38 (+54)
10-21DEN 20:28 (+0)STL 23:44 23:18 (−26)
10-20DEN 20:28 20:23 (−5)STL 23:44 23:09 (−35)
10-19DEN 20:28 20:36 (+8)STL 23:44 23:25 (−19)
10-18DEN 20:28 20:34 (+6)STL 23:44 23:21 (−23)
10-17DEN 20:28 20:22 (−6)STL 23:44 23:17 (−27)
10-16DEN 20:28 20:33 (+5)STL 23:44 23:38 (−6)

Aircraft

Recent tails: N628SY, N103SY, N639SY, N637SY.

Board clocks recorded as DEN and STL published them.

Planning around UA4733? 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 — UA4733 Denver to St Louis on-time performance, measured from the DEN and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4733
How we measure this →