UA4573United Airlines · IAH → HSV
live · 35m ago
Route confirmed United Airlines

UA4573 HoustonIAH · 18:10 HuntsvilleHSV

UA4573 by United Airlines flies from Houston (IAH) to Huntsville (HSV) for the Sat, Oct 31 departure.

Right nowScheduled · gate B66 · as of 01:22
18:10

departs IAH · on schedule

Typical gate push−3 minmedian posted departure

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
10-30
−3 gate
10-29
−5 gate
10-28
−3 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
IAHHoustonOn-time likelyIAH delay board →
HSVHuntsvilleOn-time likelyHSV delay board →
IAH→HSVevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow on this route

Forecast

Houston to Huntsville with United Airlines · Sun 1 Nov, local date

Outlook: about usual
Chance a departure is cancelled
0.3%1.4× usual
Chance a departure leaves 60+ min late
5.3%1.1× usual

Forecast weather: 37% chance of fog at Houston

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 5 departures a day on this route with this airline. · 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.

Other Houston to Huntsville flights today

same route · United Airlines
UA4583departs 09:45
UA4618departs 10:00
UA3263departs 10:45
UA3262departs 11:15
UA4879departs 12:11
UA4188departs 13:15

If UA4573 is cancelled, these are the other United Airlines nonstop flights from Houston to Huntsville on the same day, with scheduled departure times in IAH local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA4573 actually runs

Pro Flight Search has tracked every published board update for UA4573 across the IAH and HSV boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 3 completed legs so far: departed -3 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA4573 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
10-30IAH 18:10 18:07 (−3)HSV
10-29IAH 18:10 18:05 (−5)HSV
10-28IAH 18:10 18:07 (−3)HSV

Board clocks recorded as IAH and HSV published them.

Planning around UA4573? 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: UA4573 Houston to Huntsville on-time performance, measured from the IAH and HSV airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4573
How we measure this →