UA2638United Airlines · IAH → SEA
live · 2m ago
Route confirmed United Airlines

UA2638 HoustonIAH · 16:25 SeattleSEA · 19:17

UA2638 by United Airlines flies from Houston (IAH) to Seattle (SEA) for the Sun, Nov 1 departure.

Right nowScheduled · gate C35
16:25

departs IAH · on schedule

The route today

live boards
IAHHoustonHigh riskIAH delay board →
SEASeattleOn-time likelySEA delay board →
IAH→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
24%Chance of 15+ min delay
1.3%Chance of cancellation
-2 minTypical airport delay in this weather

Conditions at IAH and SEA 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 on this route

Forecast

Houston to Seattle with United Airlines · Mon 2 Nov, local date

Outlook: about usual
Chance a departure is cancelled
0.3%1.9× usual
Chance a departure leaves 60+ min late
3.8%1.1× usual

Forecast weather: 48% chance of fog at Houston; 36% chance of fog at Seattle

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 4 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 Seattle flights today

same route · United Airlines
UA2205departs 09:57
UA1062departs 10:20
UA2228departs 12:05
UA2341departs 19:55

If UA2638 is cancelled, these are the other United Airlines nonstop flights from Houston to Seattle 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 UA2638 actually runs

Pro Flight Search has tracked every published board update for UA2638 across the IAH and SEA boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: departed -2 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA2638 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
10-31IAH 16:25 16:22 (−3)SEA 19:17
10-30IAH 16:25 16:24 (−1)SEA

Board clocks recorded as IAH and SEA published them.

Planning around UA2638? 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: UA2638 Houston to Seattle on-time performance, measured from the IAH and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/UA2638
How we measure this →