Delta Air Lines flights from Seattle-Tacoma (SEA) to Chicago O'Hare (ORD).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:24 Chicago O'Hare (ORD) 5
Delta Air Lines DL 637 Non-stop Airbus A220-300 (223) 4:14 Effective 2026-04-13 through 2026-05-06
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:22 Chicago O'Hare (ORD) 5
Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-05-07 through 2026-05-22
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:22 Chicago O'Hare (ORD) 5
Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:22 Chicago O'Hare (ORD) 5
Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-09-07 through 2026-10-05
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:14 Chicago O'Hare (ORD) 5
Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:04 Effective from 2026-10-06
Daily 07:15 Seattle-Tacoma (SEA) 13:24 Chicago O'Hare (ORD) 5
Delta Air Lines DL 1564 Non-stop Airbus A220-300 (223) 4:09 Effective 2026-03-08 through 2026-03-14
Daily 07:15 Seattle-Tacoma (SEA) 13:25 Chicago O'Hare (ORD) 5
Delta Air Lines DL 1564 Non-stop Airbus A220-300 (223) 4:10 Effective 2026-03-15 through 2026-04-12
Daily 07:10 Seattle-Tacoma (SEA) 13:20 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:10 Valid until 2026-01-04
Mon-Fri,Sun 07:10 Seattle-Tacoma (SEA) 13:22 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:12 Effective 2026-01-05 through 2026-01-16
Mon-Fri,Sun 07:10 Seattle-Tacoma (SEA) 13:22 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:12 Effective 2026-01-19 through 2026-02-13
Mon-Fri,Sun 07:10 Seattle-Tacoma (SEA) 13:22 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:12 Effective 2026-02-16 through 2026-03-06
Daily 07:20 Seattle-Tacoma (SEA) 13:32 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:12 Effective 2026-04-13 through 2026-05-06
Daily 07:20 Seattle-Tacoma (SEA) 13:30 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2055 Non-stop Boeing 737-800 (738) 4:10 Effective 2026-05-07 through 2026-10-05
Daily 07:20 Seattle-Tacoma (SEA) 13:31 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2055 Non-stop Boeing 737-800 (738) 4:11 Effective from 2026-10-06
Daily 17:45 Seattle-Tacoma (SEA) 23:50 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2108 Non-stop Airbus A220-300 (223) 4:05 Effective 2026-04-13 through 2026-05-06
Daily 17:45 Seattle-Tacoma (SEA) 23:47 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2108 Non-stop Boeing 737-800 (738) 4:02 Effective 2026-05-07 through 2026-10-05
Daily 17:45 Seattle-Tacoma (SEA) 23:46 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2108 Non-stop Boeing 737-800 (738) 4:01 Effective from 2026-10-06
Daily 17:55 Seattle-Tacoma (SEA) 23:59 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2108 Non-stop Airbus A220-300 (223) 4:04 Valid until 2026-01-04
Daily 17:55 Seattle-Tacoma (SEA) 23:53 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2108 Non-stop Airbus A220-300 (223) 3:58 Effective 2026-01-05 through 2026-02-07
Mon-Wed 17:55 Seattle-Tacoma (SEA) 23:53 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2108 Non-stop Airbus A220-300 (223) 3:58 Effective 2026-02-09 through 2026-02-11
Daily 17:55 Seattle-Tacoma (SEA) 23:52 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2108 Non-stop Airbus A220-300 (223) 3:57 Effective 2026-02-12 through 2026-03-07
Daily 17:57 Seattle-Tacoma (SEA) 23:53 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2108 Non-stop Boeing 737-800 (738) 3:56 Effective 2026-03-08 through 2026-03-14
Daily 17:57 Seattle-Tacoma (SEA) 23:54 Chicago O'Hare (ORD) 5
Delta Air Lines DL 2108 Non-stop Boeing 737-800 (738) 3:57 Effective 2026-03-15 through 2026-04-12




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Delta Air Lines flights from Seattle-Tacoma (SEA) to Chicago O'Hare (ORD).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL637
11:10
Seattle-Tacoma (SEA)

17:24
Chicago O'Hare (ORD) 5
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:14, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL637
11:10
Seattle-Tacoma (SEA)

17:22
Chicago O'Hare (ORD) 5
Effective 2026-05-07 through 2026-05-22
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:12, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL637
11:10
Seattle-Tacoma (SEA)

17:22
Chicago O'Hare (ORD) 5
Effective 2026-05-25 through 2026-09-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:12, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL637
11:10
Seattle-Tacoma (SEA)

17:22
Chicago O'Hare (ORD) 5
Effective 2026-09-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:12, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL637
11:10
Seattle-Tacoma (SEA)

17:14
Chicago O'Hare (ORD) 5
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:04, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL1564
07:15
Seattle-Tacoma (SEA)

13:24
Chicago O'Hare (ORD) 5
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:09, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL1564
07:15
Seattle-Tacoma (SEA)

13:25
Chicago O'Hare (ORD) 5
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2055
07:10
Seattle-Tacoma (SEA)

13:20
Chicago O'Hare (ORD) 5
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:10, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2055
07:10
Seattle-Tacoma (SEA)

13:22
Chicago O'Hare (ORD) 5
Effective 2026-01-05 through 2026-01-16
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:12, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2055
07:10
Seattle-Tacoma (SEA)

13:22
Chicago O'Hare (ORD) 5
Effective 2026-01-19 through 2026-02-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:12, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2055
07:10
Seattle-Tacoma (SEA)

13:22
Chicago O'Hare (ORD) 5
Effective 2026-02-16 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:12, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2055
07:20
Seattle-Tacoma (SEA)

13:32
Chicago O'Hare (ORD) 5
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:12, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2055
07:20
Seattle-Tacoma (SEA)

13:30
Chicago O'Hare (ORD) 5
Effective 2026-05-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:10, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL2055
07:20
Seattle-Tacoma (SEA)

13:31
Chicago O'Hare (ORD) 5
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:11, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL2108
17:45
Seattle-Tacoma (SEA)

23:50
Chicago O'Hare (ORD) 5
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:05, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2108
17:45
Seattle-Tacoma (SEA)

23:47
Chicago O'Hare (ORD) 5
Effective 2026-05-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:02, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL2108
17:45
Seattle-Tacoma (SEA)

23:46
Chicago O'Hare (ORD) 5
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:01, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL2108
17:55
Seattle-Tacoma (SEA)

23:59
Chicago O'Hare (ORD) 5
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:04, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2108
17:55
Seattle-Tacoma (SEA)

23:53
Chicago O'Hare (ORD) 5
Effective 2026-01-05 through 2026-02-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:58, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2108
17:55
Seattle-Tacoma (SEA)

23:53
Chicago O'Hare (ORD) 5
Effective 2026-02-09 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:58, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2108
17:55
Seattle-Tacoma (SEA)

23:52
Chicago O'Hare (ORD) 5
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:57, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL2108
17:57
Seattle-Tacoma (SEA)

23:53
Chicago O'Hare (ORD) 5
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Boeing 737-800 (738)
Direct Flights:
Delta Air Lines DL2108
17:57
Seattle-Tacoma (SEA)

23:54
Chicago O'Hare (ORD) 5
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:57, non-stop
Boeing 737-800 (738)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 1715 miles, or 2760 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 3:56 and 4:14.
All SEA-ORD flights
All Delta Air Lines flights
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