Seattle to Chicago (SEA-ORD): nonstop upgrade & award space

American Airlines, United Airlines, Alaska Airlines, and Delta Air Lines fly nonstop between Seattle (SEA) and Chicago (ORD), roughly 170 times a week. With this many departures on a short sector, premium cabins are small and turn over daily, so upgrade or award space opens and closes within hours. 2LNR tracks confirmed upgrade and award space on American Airlines, Alaska Airlines, and Delta Air Lines, on every SEA to ORD departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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170
Nonstop flights a week
1,716 mi
Nonstop distance
Free
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Seattle to Chicago flight schedule

Scheduled nonstop departures for SEA to ORD, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Seattle (SEA) to Chicago (ORD)
Date Flight Airline Departs SEA Arrives ORD Duration Aircraft
AS 328Alaska Airlines, Inc.00:1606:204h 4m73J
AA 1872American Airlines05:5012:074h 17m321
AS 410Alaska Airlines, Inc.06:0012:074h 7m73J
AS 578Alaska Airlines, Inc.06:0012:034h 3m73H
UA 2618United Airlines07:0013:154h 15m32Q
DL 2055Delta Air Lines07:1513:294h 14m738
AS 265Alaska Airlines, Inc.08:3314:544h 21m7M9
AA 3234American Airlines10:1916:464h 27m738
UA 2835United Airlines10:4217:004h 18m7M9
AS 429Alaska Airlines, Inc.11:3518:014h 26m73J
DL 637Delta Air Lines11:4518:014h 16m739
AA 2966American Airlines13:2419:594h 35m321
UA 2101United Airlines13:5720:184h 21m7M9
AA 2524American Airlines15:2822:004h 32m321
AA 1476American Airlines15:3522:074h 32m321
UA 1265United Airlines17:1323:174h 4m7M8
UA 1503United Airlines17:1523:224h 7m7M9
DL 2108Delta Air Lines17:5023:574h 7m738
AS 538Alaska Airlines, Inc.17:5123:594h 8m7M9
UA 747United Airlines23:0005:064h 6m738
AA 2379American Airlines23:5606:024h 6m321
AS 328Alaska Airlines, Inc.00:1606:204h 4m73J
AS 410Alaska Airlines, Inc.06:0012:074h 7m73J
AS 578Alaska Airlines, Inc.06:0012:034h 3m73H
AA 1872American Airlines06:1512:294h 14m321
UA 2618United Airlines07:0013:154h 15m32Q
DL 2055Delta Air Lines07:1513:294h 14m738
AS 265Alaska Airlines, Inc.08:3314:544h 21m73H
AA 3234American Airlines10:1916:464h 27m738
UA 2835United Airlines10:4217:004h 18m7M9
AA 3105American Airlines10:5917:304h 31m321
AS 429Alaska Airlines, Inc.11:3518:014h 26m73J
DL 637Delta Air Lines11:4518:014h 16m739
UA 2101United Airlines13:5720:184h 21m7M9
AA 2966American Airlines14:0020:354h 35m321
AA 2524American Airlines15:2822:004h 32m321
AA 1476American Airlines15:4122:104h 29m321
UA 1265United Airlines17:1323:174h 4m739
UA 1503United Airlines17:1523:224h 7m7M9
DL 2108Delta Air Lines17:5023:574h 7m738

Showing the first 40 of 163 scheduled SEA to ORD departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every SEA to ORD date on the interactive map

Confirmed upgrade & award space on SEA to ORD departures

2LNR tracks confirmed upgrade and award space on American Airlines, Alaska Airlines, and Delta Air Lines, segment by segment and date by date. Open the calendar for Seattle to Chicago to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each SEA to ORD departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See SEA to ORD on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Seattle to Chicago nonstop

Carriers operating SEA to ORD nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See SEA to ORD on the interactive map →

Frequently asked questions about SEA to ORD

How far is Chicago from Seattle?
SEA to ORD covers about 1,716 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from SEA to ORD?
American Airlines, United Airlines, Alaska Airlines, and Delta Air Lines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines, Alaska Airlines, and Delta Air Lines.
How many flights a week are there from SEA to ORD?
About 170 nonstop flights a week run between Seattle and Chicago in the current schedule, operated by American Airlines, United Airlines, Alaska Airlines, and Delta Air Lines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from SEA to ORD depart?
Scheduled SEA to ORD nonstops in the next 7 days with service leave between 00:16 and 23:56, local time at Seattle. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on SEA to ORD?
Open the SEA to ORD route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, Alaska Airlines, and Delta Air Lines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss SEA to ORD upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free