SAS flight SK 3631: Chicago O'Hare - Boston Logan

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FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 07:00 Chicago O'Hare (ORD) 5 10:26 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-100 (221) 2:26 Valid until 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 2956)
Daily 07:00 Chicago O'Hare (ORD) 5 10:25 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-300 (223) 2:25 Effective 2025-05-07 through 2025-06-07
Codeshare flight, operated by Delta Air Lines.(DL 2956)
Mon-Fri,Sun 07:00 Chicago O'Hare (ORD) 5 10:31 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-300 (223) 2:31 Effective 2025-06-08 through 2025-06-27
Codeshare flight, operated by Delta Air Lines.(DL 1602)
Mon-Fri,Sun 07:00 Chicago O'Hare (ORD) 5 10:31 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-300 (223) 2:31 Effective 2025-06-30 through 2025-07-06
Codeshare flight, operated by Delta Air Lines.(DL 1602)
Daily 07:00 Chicago O'Hare (ORD) 5 10:28 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-300 (223) 2:28 Effective 2025-07-07 through 2025-09-07
Codeshare flight, operated by Delta Air Lines.(DL 1602)
Daily 07:00 Chicago O'Hare (ORD) 5 10:30 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-300 (223) 2:30 Effective 2025-09-08 through 2025-09-16
Codeshare flight, operated by Delta Air Lines.(DL 2956)
Mon,Tue,Thu-Sun 07:00 Chicago O'Hare (ORD) 5 10:30 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-300 (223) 2:30 Effective 2025-09-18 through 2025-10-28
Codeshare flight, operated by Delta Air Lines.(DL 2956)
Daily 07:00 Chicago O'Hare (ORD) 5 10:30 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-300 (223) 2:30 Effective 2025-10-29 through 2025-12-19
Codeshare flight, operated by Delta Air Lines.(DL 2956)
Sat 07:05 Chicago O'Hare (ORD) 5 10:36 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-300 (223) 2:31 Effective 2025-06-14 through 2025-07-05
Codeshare flight, operated by Delta Air Lines.(DL 1602)
Sun 07:30 Chicago O'Hare (ORD) 5 11:00 Boston Logan (BOS) A
SK 3631 Non-stop Airbus A220-300 (223) 2:30 Operates only on 2025-06-29
Codeshare flight, operated by Delta Air Lines.(DL 1602)
Daily 07:35 Chicago O'Hare (ORD) 5 11:09 Boston Logan (BOS) A
SK 3631 Non-stop Embraer EMB 175 (E75) 2:34 Effective 2025-12-20 through 2026-01-05
Codeshare flight, operated by Delta Air Lines.(DL 5641)
Mon,Thu-Sun 18:50 Chicago O'Hare (ORD) 5 22:20 Boston Logan (BOS) A
SK 3631 Non-stop Embraer EMB 175 (E75) 2:30 Effective from 2026-01-08
Codeshare flight, operated by Delta Air Lines.(DL 5607)
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SAS flight SK 3631:
Chicago O'Hare - Boston Logan
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

SAS SK3631
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2956)
Duration: 2:26, non-stop
Airbus A220-100 (221)

SAS SK3631
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2956)
Duration: 2:25, non-stop
Airbus A220-300 (223)

SAS SK3631
Effective 2025-06-08 through 2025-06-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1602)
Duration: 2:31, non-stop
Airbus A220-300 (223)

SAS SK3631
Effective 2025-06-30 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1602)
Duration: 2:31, non-stop
Airbus A220-300 (223)

SAS SK3631
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1602)
Duration: 2:28, non-stop
Airbus A220-300 (223)

SAS SK3631
Effective 2025-09-08 through 2025-09-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2956)
Duration: 2:30, non-stop
Airbus A220-300 (223)

SAS SK3631
Effective 2025-09-18 through 2025-10-28
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2956)
Duration: 2:30, non-stop
Airbus A220-300 (223)

SAS SK3631
Effective 2025-10-29 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2956)
Duration: 2:30, non-stop
Airbus A220-300 (223)

SAS SK3631
Effective 2025-06-14 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1602)
Duration: 2:31, non-stop
Airbus A220-300 (223)

SAS SK3631
Operates only on 2025-06-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1602)
Duration: 2:30, non-stop
Airbus A220-300 (223)

SAS SK3631
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5641)
Duration: 2:34, non-stop
Embraer EMB 175 (E75)

SAS SK3631
Effective from 2026-01-08
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 5607)
Duration: 2:30, non-stop
Embraer EMB 175 (E75)
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  • SK 3631 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at Boston Logan airport (BOS).
  • The flight distance is 864 miles, or 1390 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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 2:25 and 2:34.