UA1477United Airlines · IAH → SAT
live · 58m ago
Route confirmed United Airlines

UA1477 HoustonIAH · 18:45 San AntonioSAT · 14:53

UA1477 by United Airlines flies from Houston (IAH) to San Antonio (SAT) for the Wed, Sep 9 departure.

Right nowScheduled · gate C4 · as of 12:52
18:45

departs IAH · on schedule

Typical gate push−7 minmedian posted departure

The route today

live boards
IAHHoustonOn-time likelyIAH delay board →
SATSan AntonioOn-time likelySAT delay board →
IAH→SATevery 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
1.3%Chance of cancellation
+9 minAvg hub delay right now

Conditions at IAH and SAT 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 San Antonio flights today

same route · United Airlines
UA320departs 09:30
UA6161departs 09:30
UA1684departs 09:31
UA6201departs 09:39
UA5287departs 12:20
UA5517departs 12:20

If UA1477 is cancelled, these are the other United Airlines nonstop flights from Houston to San Antonio 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 UA1477 actually runs

Pro Flight Search has tracked every published board update for UA1477 across the IAH and SAT boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: departed -7 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1477 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
09-08IAH 18:45 18:38 (−7)SAT 14:53

Board clocks recorded as IAH and SAT 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 — UA1477 Houston to San Antonio on-time performance, measured from the IAH and SAT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1477
How we measure this →