SAS flight SK 3581: Boston Logan - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Thu,Fri 07:20 Boston Logan (BOS) A 09:18 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 2:58 Effective 2025-06-09 through 2025-06-27
Codeshare flight, operated by Delta Air Lines.(DL 2570)
Mon,Thu,Fri,Sun 07:30 Boston Logan (BOS) A 09:30 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-100 (221) 3:00 Valid until 2025-05-05
Codeshare flight, operated by Delta Air Lines.(DL 2570)
Sat 08:30 Boston Logan (BOS) A 10:22 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 2:52 Effective 2025-06-14 through 2025-06-28
Codeshare flight, operated by Delta Air Lines.(DL 2570)
Sat 14:50 Boston Logan (BOS) A 16:50 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Embraer EMB 175 (E75) 3:00 Operates only on 2025-07-05
Codeshare flight, operated by Delta Air Lines.(DL 5722Z)
Fri 15:15 Boston Logan (BOS) A 17:10 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 2:55 Operates only on 2025-07-04
Codeshare flight, operated by Delta Air Lines.(DL 2646)
Mon,Thu,Fri,Sun 15:30 Boston Logan (BOS) A 17:26 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-100 (221) 2:56 Effective 2025-05-08 through 2025-05-23
Codeshare flight, operated by Delta Air Lines.(DL 2646)
Mon,Thu,Fri,Sun 15:30 Boston Logan (BOS) A 17:26 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-100 (221) 2:56 Effective 2025-05-26 through 2025-06-06
Codeshare flight, operated by Delta Air Lines.(DL 2646)
Mon,Thu,Fri,Sun 15:50 Boston Logan (BOS) A 17:45 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-100 (221) 2:55 Effective 2025-07-07 through 2025-08-15
Codeshare flight, operated by Delta Air Lines.(DL 2646)
Mon,Thu-Sun 15:50 Boston Logan (BOS) A 17:45 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-100 (221) 2:55 Effective 2025-08-16 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 2646)
Mon,Thu,Sat,Sun 15:50 Boston Logan (BOS) A 17:45 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 2:55 Effective 2025-09-08 through 2025-10-30
Codeshare flight, operated by Delta Air Lines.(DL 2646)
Mon,Thu-Sun 15:50 Boston Logan (BOS) A 17:45 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 2:55 Effective 2025-10-31 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 2646)
Sat 18:45 Boston Logan (BOS) A 20:47 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-100 (221) 3:02 Operates only on 2025-05-03
Codeshare flight, operated by Delta Air Lines.(DL 2646)
Mon,Thu-Sun 19:40 Boston Logan (BOS) A 21:37 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Embraer EMB 175 (E75) 2:57 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 5596)
Tue 20:05 Boston Logan (BOS) A 22:05 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 3:00 Effective 2025-06-10 through 2025-06-24
Codeshare flight, operated by Delta Air Lines.(DL 2676)
Mon-Thu,Sun 20:05 Boston Logan (BOS) A 22:05 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 3:00 Effective 2025-06-29 through 2025-07-03
Codeshare flight, operated by Delta Air Lines.(DL 2676)
Tue 20:10 Boston Logan (BOS) A 22:10 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 3:00 Effective 2025-07-08 through 2025-09-02
Codeshare flight, operated by Delta Air Lines.(DL 2676)
Tue 20:10 Boston Logan (BOS) A 22:02 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 2:52 Effective 2025-09-09 through 2025-12-16
Codeshare flight, operated by Delta Air Lines.(DL 2676)
Daily 20:10 Boston Logan (BOS) A 22:15 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Embraer EMB 175 (E75) 3:05 Effective from 2026-01-06
Codeshare flight, operated by Delta Air Lines.(DL 5600)
Tue 20:20 Boston Logan (BOS) A 22:14 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Airbus A220-300 (223) 2:54 Effective 2025-05-13 through 2025-06-03
Codeshare flight, operated by Delta Air Lines.(DL 2676)
Tue 21:20 Boston Logan (BOS) A 23:16 Chicago O'Hare (ORD) 5
SK 3581 Non-stop Boeing 737-900 (739) 2:56 Operates only on 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 2676)
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SAS flight SK 3581:
Boston Logan - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
SAS SK3581
07:20
Boston Logan (BOS) A

09:18
Chicago O'Hare (ORD) 5
Effective 2025-06-09 through 2025-06-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2570)
Duration: 2:58, non-stop
Airbus A220-300 (223)
SAS SK3581
07:30
Boston Logan (BOS) A

09:30
Chicago O'Hare (ORD) 5
Valid until 2025-05-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2570)
Duration: 3:00, non-stop
Airbus A220-100 (221)
SAS SK3581
08:30
Boston Logan (BOS) A

10:22
Chicago O'Hare (ORD) 5
Effective 2025-06-14 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2570)
Duration: 2:52, non-stop
Airbus A220-300 (223)
SAS SK3581
14:50
Boston Logan (BOS) A

16:50
Chicago O'Hare (ORD) 5
Operates only on 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines.(DL 5722Z)
Duration: 3:00, non-stop
Embraer EMB 175 (E75)
SAS SK3581
15:15
Boston Logan (BOS) A

17:10
Chicago O'Hare (ORD) 5
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2646)
Duration: 2:55, non-stop
Airbus A220-300 (223)
SAS SK3581
15:30
Boston Logan (BOS) A

17:26
Chicago O'Hare (ORD) 5
Effective 2025-05-08 through 2025-05-23
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2646)
Duration: 2:56, non-stop
Airbus A220-100 (221)
SAS SK3581
15:30
Boston Logan (BOS) A

17:26
Chicago O'Hare (ORD) 5
Effective 2025-05-26 through 2025-06-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2646)
Duration: 2:56, non-stop
Airbus A220-100 (221)
SAS SK3581
15:50
Boston Logan (BOS) A

17:45
Chicago O'Hare (ORD) 5
Effective 2025-07-07 through 2025-08-15
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2646)
Duration: 2:55, non-stop
Airbus A220-100 (221)
SAS SK3581
15:50
Boston Logan (BOS) A

17:45
Chicago O'Hare (ORD) 5
Effective 2025-08-16 through 2025-09-07
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2646)
Duration: 2:55, non-stop
Airbus A220-100 (221)
SAS SK3581
15:50
Boston Logan (BOS) A

17:45
Chicago O'Hare (ORD) 5
Effective 2025-09-08 through 2025-10-30
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2646)
Duration: 2:55, non-stop
Airbus A220-300 (223)
SAS SK3581
15:50
Boston Logan (BOS) A

17:45
Chicago O'Hare (ORD) 5
Effective 2025-10-31 through 2025-12-19
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2646)
Duration: 2:55, non-stop
Airbus A220-300 (223)
SAS SK3581
18:45
Boston Logan (BOS) A

20:47
Chicago O'Hare (ORD) 5
Operates only on 2025-05-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2646)
Duration: 3:02, non-stop
Airbus A220-100 (221)
SAS SK3581
19:40
Boston Logan (BOS) A

21:37
Chicago O'Hare (ORD) 5
Effective 2025-12-20 through 2026-01-05
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5596)
Duration: 2:57, non-stop
Embraer EMB 175 (E75)
SAS SK3581
20:05
Boston Logan (BOS) A

22:05
Chicago O'Hare (ORD) 5
Effective 2025-06-10 through 2025-06-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2676)
Duration: 3:00, non-stop
Airbus A220-300 (223)
SAS SK3581
20:05
Boston Logan (BOS) A

22:05
Chicago O'Hare (ORD) 5
Effective 2025-06-29 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2676)
Duration: 3:00, non-stop
Airbus A220-300 (223)
SAS SK3581
20:10
Boston Logan (BOS) A

22:10
Chicago O'Hare (ORD) 5
Effective 2025-07-08 through 2025-09-02
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2676)
Duration: 3:00, non-stop
Airbus A220-300 (223)
SAS SK3581
20:10
Boston Logan (BOS) A

22:02
Chicago O'Hare (ORD) 5
Effective 2025-09-09 through 2025-12-16
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2676)
Duration: 2:52, non-stop
Airbus A220-300 (223)
SAS SK3581
20:10
Boston Logan (BOS) A

22:15
Chicago O'Hare (ORD) 5
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5600)
Duration: 3:05, non-stop
Embraer EMB 175 (E75)
SAS SK3581
20:20
Boston Logan (BOS) A

22:14
Chicago O'Hare (ORD) 5
Effective 2025-05-13 through 2025-06-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2676)
Duration: 2:54, non-stop
Airbus A220-300 (223)
SAS SK3581
21:20
Boston Logan (BOS) A

23:16
Chicago O'Hare (ORD) 5
Operates only on 2025-05-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2676)
Duration: 2:56, non-stop
Boeing 737-900 (739)
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Parallax here BOS-ORD
  • SK 3581 is a domestic flight departing from the Boston Logan airport (BOS) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 864 miles, or 1390 km.
  • The timezone of the departure airport is UTC-5 , 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 2:52 and 3:05.
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