UA1128United Airlines · ORD → SEA
live · 57m ago
Route confirmed United Airlines

UA1128 ChicagoORD · 13:30 SeattleSEA

UA1128 by United Airlines flies from Chicago (ORD) to Seattle (SEA) for the Tue, Nov 10 departure.

Same number through ORD → IAD → SEA

Right nowScheduled · gate B17 · as of 00:53
13:30

departs ORD · on schedule

Typical gate push+0 minmedian posted departure

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
11-09
+0 gate
11-08
+1 gate
11-07
−4 gate
11-06
+8 gate
11-05
−4 gate

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

The last 30 days

arrival outcome per operation

0 cancelled · 5 operations tracked

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
SEASeattleOn-time likelySEA delay board →
ORD→SEAevery 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
2.9%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at ORD 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 at Chicago

Forecast

Wed 11 Nov, local date

High13°Clikely 10°C to 16°C
Low5°Clikely 3°C to 8°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 Washington

Forecast

Wed 11 Nov, local date

High20°Clikely 17°C to 23°C
Low5°Clikely 3°C to 8°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 Chicago to Seattle flights today

same route · United Airlines
UA1055departs 05:55
UA3932departs 06:00
UA1357departs 08:50
UA1486departs 10:32
UA5196departs 13:30
UA587departs 14:21

If UA1128 is cancelled, these are the other United Airlines nonstop flights from Chicago to Seattle on the same day, with scheduled departure times in ORD 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 UA1128 actually runs

Pro Flight Search has tracked every published board update for UA1128 across the ORD and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 5 confirmed departures · 5/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA1128 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
11-09ORD 13:30 (+0)SEA
11-08ORD 13:30 13:31 (+1)SEA
11-07ORD 13:30 13:26 (−4)SEA
11-06ORD 13:30 13:38 (+8)SEA
11-05ORD 13:30 13:26 (−4)SEA

Board clocks recorded as ORD and SEA 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: UA1128 Chicago to Seattle on-time performance, measured from the ORD and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1128
How we measure this →