Flights operate between Seattle (SEA) and Chicago (ORD).
1 airline operates this route with 10-14 flights daily flights.
Average flight time is 3h 53m - 4h 27m.
Route distance is 1725 miles (2776 km).
Route Distance
1725 miles (2776 km)
Average Duration
3h 53m - 4h 27m
Airlines Operating This Route
United Airlines
Flight Frequency
Daily Flights
10-14 flights
Weekly Flights
104
Typical Departure Time Ranges
Earliest Departure
07:00
Latest Departure
12:35
Route Intelligence Dashboard
Overall Connectivity Score
70
GoodRoute Diversity
1
Direct Routes
United Airlines serves 1 destination from SEA
Weekly Frequency
21
Weekly Flights
Trend: Stable
Top 1 Most Frequent Routes - Details
| Route | Weekly Flights | Duration | Distance | Reliability |
|---|---|---|---|---|
| SEA → Chicago (ORD) (ORD) | 21/week | 3h 53m - 4h 27m | 1,725 km | Moderate |
Flight Schedule & Filters
United Airlines flights from SeaTac (SEA) to Chicago (ORD)
United Airlines operates scheduled nonstop flights between SeaTac (SEA) and Chicago (ORD). United Airlines operates 10-14 flights daily flights on this route.• Flight Duration: 3h 53m - 4h 27m (average flight time)• Distance: 1725 miles (2776 km) (air miles between airports)• Daily Flights: 10-14 flights (scheduled departures per day)
SeaTac (SEA)
US
Chicago (ORD)
US
FLIGHT TIME
3h 53m - 4h 27m
FLIGHT DISTANCE
1725 miles (2776 km)
4h 2m - 4h 12m
07:00
12:35
1725 miles (2776 km)
January
1 (Show)
104
United Airlines Terminal Information & Contact
Departure Terminal - SeaTac (SEA)
Terminal: 1
Phone: 1-800-864-8331
Location: 1, Seattle, US
Arrival Terminal - Chicago (ORD)
Terminal: 2
Phone: 1-800-864-8331
Location: 2, Chicago, US
United Airlines Flight Schedule from SeaTac (SEA) to Chicago (ORD)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
UA2618 |  United Airlines | 07:00 | 13:09:00 | Airbus A321neo |
UA747 | United Airlines | 10:53 | 16:55:00 | Boeing 737-900 Passenger |
UA2108 | United Airlines | 12:35 | 18:47:00 | Boeing 737-800 Passenger |
United Airlines Monthly Flight Calendar
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United Airlines Terminal Information
Departure Terminal at SeaTac (SEA):
• Terminal : United Airlines operates from this terminal
Terminal 1:
• United Airlines Terminal Phone: 1-800-864-8331
Arrival Terminal at Chicago (ORD):
• Terminal : United Airlines operates from this terminal
Terminal 2:
• United Airlines Terminal Phone: 1-800-864-8331
United Airlines Contact Information and Customer Services
United Airlines Address
233 S. Wacker Drive
Chicago, IL 60606, United States
Customer Service Phone
+1-800-864-8331Official Website
united.comFrequently Asked Questions
How many United Airlines flights operate from Seattle (SEA) to Chicago (ORD)?
United Airlines operates 3 flights from Seattle (SEA) to Chicago (ORD).
What city does Chicago (ORD) airport serve?
Chicago (ORD) airport serves Chicago, US.
How long is the United Airlines flight from Seattle (SEA) to Chicago (ORD)?
The flight duration is approximately 3h 53m - 4h 27m.
What is the distance from Seattle (SEA) to Chicago (ORD)?
The distance is 1725 miles (2776 km).
What aircraft does United Airlines use on this route?
United Airlines uses Airbus A321neo, Boeing 737-900 Passenger, Boeing 737-800 Passenger on this route.
Which other airlines operate on this route?
3 other airlines operate on this route: Alaska Airlines, American Airlines, Delta Air Lines.
What are the earliest and latest United Airlines flight departure times?
The earliest United Airlines flight departs at 07:00 and the latest departs at 12:35.
View all United Airlines flights to Seattle (SEA) →
Popular United Airlines routes from Seattle include multiple destinations.
Route data verified regularly by Triposia Travel Research Team.