UA3744United Airlines · IAH → STL
live · 49m ago
Route confirmed United Airlines

UA3744 HoustonIAH · 07:25 St LouisSTL

UA3744 by United Airlines flies from Houston (IAH) to St Louis (STL) for the Sun, Oct 18 departure.

Right nowLanded in St Louis · position data
09:23

landed at STL · confirmed by live position

Typical gate push−2 minmedian posted departure

The route today

live boards
IAHHoustonOn-time likelyIAH delay board →
STLSt LouisOn-time likelySTL delay board →
IAH→STLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
36%Chance of 15+ min delay
1.5%Chance of cancellation
+9 minAvg hub delay right now

Conditions at IAH 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 Houston to St Louis flights today

same route · United Airlines
UA6214departs 08:00
UA3256departs 09:15
UA2042departs 11:58
UA6160departs 15:52
UA4479departs 18:05
UA3375departs 19:30

If UA3744 is cancelled, these are the other United Airlines nonstop flights from Houston to St Louis on the same day, with scheduled departure times in IAH local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA3744 actually runs

Pro Flight Search has tracked every published board update for UA3744 across the IAH and STL boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed -2 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA3744 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-18IAH 07:25 07:23 (−2)STL

Board clocks recorded as IAH and STL published them.

Planning around UA3744? 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 — UA3744 Houston to St Louis on-time performance, measured from the IAH and STL airport boards.

Canonical URL
https://proflightsearch.com/flight/UA3744
How we measure this →