The Seattle to Chicago route connects Seattle–Tacoma International Airport (SEA) in US with Chicago O'Hare International Airport (ORD) in US. This medium-haul flight covers approximately 1718 miles (2765 km) with a typical flight time of 3h 46m. This route is served by 8 airlines: Alaska Airlines, Republic, American Airlines and others. AirportRoutes has tracked 20 unique flight numbers on this route.
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Seattle–Tacoma International Airport
KSEASEAChicago O'Hare International Airport
KORDORD8
Operators20
Tracked Flights1718
Miles3h 46m
Flight Duration
| Airline | ICAO | IATA |
|---|---|---|
| Alaska Airlines |
ASA
|
AS
|
| Republic |
RPA
|
YX
|
| American Airlines |
AAL
|
AA
|
| United |
UAL
|
UA
|
| China Cargo |
CKK
|
CK
|
| Delta Air Lines |
DAL
|
DL
|
| Envoy Air |
ENY
|
MQ
|
| Silk Way West |
AZG
|
7L
|
| Day | Flights Observed | Frequency | Activity |
|---|---|---|---|
| Monday | 33 | 17% |
|
| Tuesday | 24 | 12% |
|
| Wednesday | 24 | 12% |
|
| Thursday | 27 | 14% |
|
| Friday | 24 | 12% |
|
| Saturday | 20 | 10% |
|
| Sunday | 41 | 21% |
|
Pattern Analysis
| Airline | Flight Numbers | Aircraft Type | Typical Time | Days Active | Last Seen | Status |
|---|---|---|---|---|---|---|
|
Alaska Airlines
ASA
/ AS
|
B39M | 00:09 12:09 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active | |
|
American Airlines
AAL
/ AA
|
|
B39M | 08:10 8:10 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active |
|
China Cargo
CKK
/ CK
|
B77L | 06:40 6:40 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active | |
|
Delta Air Lines
DAL
/ DL
|
BCS3 | 07:15 7:15 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active | |
|
Envoy Air
ENY
/ MQ
|
- | A321 | - |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active |
|
Republic
RPA
/ YX
|
- | B738 | 10:39 10:39 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active |
|
Silk Way West
AZG
/ 7L
|
- | B77L | - |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active |
|
United
UAL
/ UA
|
A21N | 07:00 7:00 AM (Representative) |
M
T
W
T
F
S
S
|
Jul 3, 2026 | Active |
| Departure Time | Operator | ICAO | IATA |
|---|---|---|---|
| 00:09 12:09 AM | Alaska Airlines |
ASA
|
AS
|
| 06:40 6:40 AM | China Cargo |
CKK
|
CK
|
| 07:00 7:00 AM | United |
UAL
|
UA
|
| 07:15 7:15 AM | Delta Air Lines |
DAL
|
DL
|
| 08:10 8:10 AM | American Airlines |
AAL
|
AA
|
| 10:39 10:39 AM | Republic |
RPA
|
YX
|
Time Information
Times are shown in the departure airport's local timezone (KSEA - America/Los_Angeles).