UA1660United Airlines · ORD → SEA
updated 14m ago
Route confirmed United Airlines

UA1660 ChicagoORD · 12:45 SeattleSEA · 15:32

UA1660 by United Airlines flies from Chicago (ORD) to Seattle (SEA) for the Wed, Nov 11 departure.

Right nowDeparted · gate E11
12:38

departs ORD · 7 min early

Typical gate push−4 minmedian posted departure

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
11-11
−7 gate
11-10
−4 gate
11-09
+1 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
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
34%Chance of 15+ min delay
1.5%Chance of cancellation
+5 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

Thu 12 Nov, local date

High9°Clikely 8°C to 10°C
Low4°Clikely 2°C to 5°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 Seattle

Forecast

Thu 12 Nov, local date

High15°Clikely 14°C to 17°C
Low10°Clikely 9°C to 11°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
UA8201departs 08:50
UA2099departs 09:25
UA3811departs 12:30
UA1801departs 16:15
UA2263departs 20:20
UA8211departs 20:30

If UA1660 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 UA1660 actually runs

Pro Flight Search has tracked every published board update for UA1660 across the ORD and SEA boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 3 completed legs so far: departed -4 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1660 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
11-11ORD 12:45 12:38 (−7)SEA 15:32
11-10ORD 12:45 12:41 (−4)SEA 15:32
11-09ORD 12:45 12:46 (+1)SEA 15:32

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: UA1660 Chicago to Seattle on-time performance, measured from the ORD and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1660
How we measure this →