UA1178United Airlines · IAH → IAD
live · 15m ago
Route confirmed United Airlines

UA1178 HoustonIAH · 14:51 WashingtonIAD · 19:02

UA1178 by United Airlines flies from Houston (IAH) to Washington (IAD).

Right nowNext departure today Operates daily
18:25

scheduled from IAH

Wins back in air~17 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
IAHHoustonOn-time likelyIAH delay board →
IADWashingtonOn-time likelyIAD delay board →
IAH→IADevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
31%Chance of 15+ min delay
2.6%Chance of cancellation
+5 minTypical airport delay in this weather

Driven mainly by IAD (Washington), currently flying MVFR (marginal visual). 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 IAH

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.

Tomorrow at IAD

Forecast

Fri 6 Nov, local date

High21°Clikely 19°C to 22°C
Low13°Clikely 10°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.

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 Washington flights today

same route · United Airlines
UA1549departs 07:22
UA3910departs 10:30
UA3266departs 11:40
UA2366departs 11:55
UA3902departs 12:30
UA3900departs 15:00

If UA1178 is cancelled, these are the other United Airlines nonstop flights from Houston to Washington 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 UA1178 actually runs

Pro Flight Search has tracked every published board update for UA1178 across the IAH and IAD boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed -15 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1178 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
10-24IAH 14:51 14:44 (−7)IAD 19:02 18:35 (−27)
10-23IAH 14:51 14:44 (−7)IAD 19:02 18:40 (−22)

Aircraft

Recent tails: N12238, N69833.

Board clocks recorded as IAH and IAD published them.

Planning around UA1178? 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: UA1178 Houston to Washington on-time performance, measured from the IAH and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1178
How we measure this →