UA1660: United flight 1660
Chicago (ORD) → Seattle (SEA) · departs 12:45p, lands 3:32p local · Daily
The timetable below has every scheduled departure; for today's flight, check United.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at United →The route
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UA1660 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| ORD → SEAChicago to Seattle | 12:45p | 3:32p | 4h47m | Daily |
| SEA → IAHSeattle to Houston | 5:05p | 11:29p | 4h24m | Daily |
Other nonstops from Chicago to Seattle
The departures either side of UA1660. Times are Chicago time.
| Flight | Departs | Days |
|---|---|---|
| Alaska AS583 | 9:00a | Daily |
| United UA2099 | 9:25a | Daily |
| American AA1476 | 11:34a | Daily |
| This flight UA1660 | 12:45p | Daily |
| Delta DL1564 | 12:50p | Mon, Tue, Wed, Thu, Fri, Sun |
| American AA2672 | 12:55p | Daily |
| Alaska AS407 | 3:49p | Daily |
All 18 flights from ORD to SEA, by time →
Flying back from Seattle
United flies Seattle to Chicago nonstop 35 times a week, from 7:00a to 11:13p: 7:00a UA2618 · 10:42a UA2835 · 1:56p UA2369 · 5:07p UA1265 · 11:13p UA747 · every nonstop SEA → ORD →
How UA1660 ran in our sample
ORD → SEA
7 of 7 departures left within 15 minutes of schedule (Oct 25–31). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737-900 on 6 of 7; also Boeing 737-800 (1).
SEA → IAH
6 of 7 departures left within 15 minutes of schedule (Oct 15–21). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737 MAX 9 on 6 of 7; also Boeing 737-900 (1).
Other flights on this route: UA2135 · AS438 · UA1752 · AS240 · UA2702 · all of them →
What time does UA1660 leave Chicago?
UA1660 is scheduled to depart Chicago (ORD) at 12:45p (daily), Chicago time, and to land in Seattle (SEA) at about 3:32p local time, a scheduled 4h47m. Times are the published ones from the flights we sampled Oct 25–31; check United for today's.
What time does UA1660 leave Seattle?
UA1660 is scheduled to depart Seattle (SEA) at 5:05p (daily), Seattle time, and to land in Houston (IAH) at about 11:29p local time, a scheduled 4h24m. Times are the published ones from the flights we sampled Oct 15–21; check United for today's.
What plane is UA1660?
Boeing 737-900 on 6 of the 7 UA1660 flights from ORD we sampled Oct 25–31; the rest were a Boeing 737-800. Airlines swap aircraft, so the plane on a given day can differ.
Does UA1660 fly every day?
Yes — UA1660 flew Chicago to Seattle every day of the week we sampled (Oct 25–31).
Is UA1660 usually on time?
Of 7 UA1660 departures from ORD we sampled Oct 25–31, 7 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More United flights from Chicago
Timetable from United departures we observed; UA1660 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.