United Airlines flight UA 1639: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 San Luis Obispo (SBP) 07:05 San Francisco (SFO) 3
UA 1639 Non-stop Airbus A319 (319) 1:05 Effective 2026-03-29 through 2026-04-29
Daily 06:15 San Luis Obispo (SBP) 07:20 San Francisco (SFO) 3
UA 1639 Non-stop Boeing 737-800 (738) 1:05 Effective 2026-04-30 through 2026-05-20
Sat,Sun 08:45 Chicago O'Hare (ORD) 1 11:33 Eugene (EUG)
UA 1639 Non-stop Boeing 737 MAX 8 (7M8) 4:48 Effective from 2026-10-25
Thu,Fri,Sun 17:35 Miami (MIA) 20:17 Chicago O'Hare (ORD) 1
UA 1639 Non-stop Boeing 737-900 (739) 3:42 Effective 2026-01-08 through 2026-01-16
Mon,Thu,Fri,Sun 17:35 Miami (MIA) 20:17 Chicago O'Hare (ORD) 1
UA 1639 Non-stop Boeing 737-900 (739) 3:42 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 17:35 Miami (MIA) 20:17 Chicago O'Hare (ORD) 1
UA 1639 Non-stop Boeing 737-900 (739) 3:42 Effective 2026-01-29 through 2026-02-08
Mon,Thu,Fri,Sun 17:35 Miami (MIA) 20:19 Chicago O'Hare (ORD) 1
UA 1639 Non-stop Boeing 737-800 (738) 3:44 Effective 2026-02-12 through 2026-03-02
Mon,Thu-Sun 17:36 Miami (MIA) 20:20 Chicago O'Hare (ORD) 1
UA 1639 Non-stop Boeing 737-800 (738) 3:44 Effective 2026-03-05 through 2026-03-28
Daily 19:35 Miami (MIA) 22:00 Chicago O'Hare (ORD) 1
UA 1639 Non-stop Boeing 737-800 (738) 3:25 Effective 2026-05-21 through 2026-10-24
Mon,Tue,Thu-Sun 19:36 Fort Myers (RSW) 21:59 Chicago O'Hare (ORD) 1
UA 1639 Non-stop Boeing 737 MAX 9 (7M9) 3:23 Valid until 2026-01-05
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1639: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1639
06:00
San Luis Obispo (SBP)

07:05
San Francisco (SFO) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:05, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1639
06:15
San Luis Obispo (SBP)

07:20
San Francisco (SFO) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:05, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1639
08:45
Chicago O'Hare (ORD) 1

11:33
Eugene (EUG)
Effective from 2026-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 4:48, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1639
17:35
Miami (MIA)

20:17
Chicago O'Hare (ORD) 1
Effective 2026-01-08 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:42, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1639
17:35
Miami (MIA)

20:17
Chicago O'Hare (ORD) 1
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:42, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1639
17:35
Miami (MIA)

20:17
Chicago O'Hare (ORD) 1
Effective 2026-01-29 through 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:42, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1639
17:35
Miami (MIA)

20:19
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:44, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1639
17:36
Miami (MIA)

20:20
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:44, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1639
19:35
Miami (MIA)

22:00
Chicago O'Hare (ORD) 1
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1639
19:36
Fort Myers (RSW)

21:59
Chicago O'Hare (ORD) 1
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 3:23, non-stop
Boeing 737 MAX 9 (7M9)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Eugene (EUG)
  • Fort Myers (RSW) - Chicago O'Hare (ORD)
  • Miami (MIA) - Chicago O'Hare (ORD)
  • San Luis Obispo (SBP) - San Francisco (SFO)
All United Airlines flights
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