UA643United Airlines · SNA → IAH

updated 10m ago

Route confirmed United Airlines

UA643 Santa AnaSNA · 14:59 HoustonIAH · 20:15

UA643 by United Airlines flies from Santa Ana (SNA) to Houston (IAH) for the Thu, Nov 5 departure.

Right nowLanded in Houston · today

20:20

arrived at IAH · 5 min late

Typical arrival+5 minmedian over 3 operations

Where the minutes go

last 3 operations · gate push → arrival

0+30+60+90 min

11-05

+1 gate · +5 arrival

11-04

+5 gate · −27 arrival

11-03

+52 arrival

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

SNASanta AnaOn-time likelySNA delay board →

IAHHoustonOn-time likelyIAH delay board →

SNA→IAHevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample

30%Chance of 15+ min delay

1.0%Chance of cancellation

+3 minTypical airport delay in this weather

Conditions at SNA and IAH are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow at Santa Ana

Forecast

Fri 6 Nov, local date

High27°Clikely 26°C to 29°C

Low15°Clikely 14°C to 16°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Houston

Forecast

Fri 6 Nov, local date

High27°Clikely 25°C to 28°C

Low16°Clikely 15°C to 18°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures

061422

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Santa Ana to Houston flights today

same route · United Airlines

UA273departs 08:05

UA2044departs 12:08

If UA643 is cancelled, these are the other United Airlines nonstop flights from Santa Ana to Houston on the same day, with scheduled departure times in SNA 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 UA643 actually runs

Pro Flight Search has tracked every published board update for UA643 across the SNA and IAH boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 3 completed legs so far: landed +5 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA643 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

11-05SNA 14:59 15:00 (+1)IAH 20:15 20:20 (+5)

11-04SNA 14:59 15:04 (+5)IAH 20:15 19:48 (−27)

11-03SNA IAH 20:15 21:07 (+52)

Aircraft

Recent tails: N67350.

Board clocks recorded as SNA and IAH published them.

Planning around UA643? 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: UA643 Santa Ana to Houston on-time performance, measured from the SNA and IAH airport boards.

Canonical URL

https://proflightsearch.com/flight/UA643

How we measure this →