United Airlines flight UA 1640: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 San Francisco (SFO) 3 08:37 San Diego (SAN) 2
UA 1640 Non-stop Boeing 737-900 (739) 1:37 Effective 2024-12-03 through 2024-12-18
Daily 11:10 Chicago O'Hare (ORD) 1 13:57 Phoenix Sky Harbor (PHX) 3
UA 1640 Non-stop Boeing 737-900 (739) 3:47 Effective 2025-01-07 through 2025-02-12
Thu-Sat 11:15 Chicago O'Hare (ORD) 1 14:20 Phoenix Sky Harbor (PHX) 3
UA 1640 Non-stop Airbus A321neo (32Q) 4:05 Effective 2025-03-06 through 2025-03-08
Daily 11:15 Chicago O'Hare (ORD) 1 13:20 Phoenix Sky Harbor (PHX) 3
UA 1640 Non-stop Airbus A321neo (32Q) 4:05 Effective 2025-03-09 through 2025-03-29
Daily 11:21 Chicago O'Hare (ORD) 1 14:20 Phoenix Sky Harbor (PHX) 3
UA 1640 Non-stop Boeing 737-900 (739) 3:59 Effective 2025-02-13 through 2025-03-05
Daily 12:05 San Diego (SAN) 2 17:20 George Bush, Houston (IAH) C
UA 1640 Non-stop Boeing 737-900 (739) 3:15 Valid until 2024-09-25
Daily 12:12 San Diego (SAN) 2 17:25 George Bush, Houston (IAH) C
UA 1640 Non-stop Boeing 737-900 (739) 3:13 Effective 2024-12-03 through 2024-12-18
Mon-Fri 13:20 Sacramento (SMF) A 18:58 George Bush, Houston (IAH) C
UA 1640 Non-stop Boeing 737-900 (739) 3:38 Effective 2024-09-26 through 2024-10-25
Sun 20:05 George Bush, Houston (IAH) C 23:53 Detroit (DTW) E
UA 1640 Non-stop Boeing 737 MAX 8 (7M8) 2:48 Operates only on 2024-09-01
Daily 20:05 George Bush, Houston (IAH) C 23:53 Detroit (DTW) E
UA 1640 Non-stop Airbus A320 (320) 2:48 Effective 2024-09-02 through 2024-09-24
Wed 20:05 George Bush, Houston (IAH) C 23:53 Detroit (DTW) E
UA 1640 Non-stop Airbus A319 (319) 2:48 Operates only on 2024-09-25
Daily 20:10 George Bush, Houston (IAH) C 23:58 Detroit (DTW) E
UA 1640 Non-stop Airbus A319 (319) 2:48 Effective 2024-09-26 through 2024-10-26
Daily 20:10 George Bush, Houston (IAH) C 23:59 Detroit (DTW) E
UA 1640 Non-stop Boeing 737-700 (73G) 2:49 Effective 2024-10-27 through 2024-11-27
Mon,Fri-Sun 20:10 George Bush, Houston (IAH) C 23:59 Detroit (DTW) E
UA 1640 Non-stop Boeing 737-700 (73G) 2:49 Effective 2024-11-29 through 2024-12-02
Daily 20:10 George Bush, Houston (IAH) C 23:59 Detroit (DTW) E
UA 1640 Non-stop Airbus A319 (319) 2:49 Effective 2024-12-03 through 2024-12-18
Sat 20:52 Fort Myers (RSW) 23:50 Newark Liberty, New York (EWR) C
UA 1640 Non-stop Boeing 737 MAX 9 (7M9) 2:58 Effective 2024-12-21 through 2025-01-04
Tue-Thu,Sun 20:58 Fort Myers (RSW) 23:56 Newark Liberty, New York (EWR) C
UA 1640 Non-stop Boeing 737 MAX 9 (7M9) 2:58 Effective 2024-12-19 through 2025-01-05
Fri 20:58 Fort Myers (RSW) 23:56 Newark Liberty, New York (EWR) C
UA 1640 Non-stop Boeing 737 MAX 8 (7M8) 2:58 Effective 2024-12-20 through 2025-01-03
Mon 20:58 Fort Myers (RSW) 23:56 Newark Liberty, New York (EWR) C
UA 1640 Non-stop Boeing 737-900 (739) 2:58 Effective 2024-12-23 through 2025-01-06
Daily 20:59 Fairbanks (FAI) 05:57 Chicago O'Hare (ORD) 1
UA 1640 Non-stop Boeing 737 MAX 8 (7M8) 5:58 Effective from 2025-05-21
The flight arrives 1 day after departure.
Non-Direct Flights:
Daily 07:00 San Francisco (SFO) 3 17:25 George Bush, Houston (IAH) C
UA 1640 1-stop Boeing 737-900 (739) 8:25 Effective 2024-12-03 through 2024-12-18
Daily 12:05 San Diego (SAN) 2 23:53 Detroit (DTW) E
UA 1640 1-stop Boeing 737-900 (739) 8:48 Valid until 2024-09-25
Daily 12:12 San Diego (SAN) 2 23:59 Detroit (DTW) E
UA 1640 1-stop Boeing 737-900 (739) 8:47 Effective 2024-12-03 through 2024-12-18
Mon-Fri 13:20 Sacramento (SMF) A 23:58 Detroit (DTW) E
UA 1640 1-stop Boeing 737-900 (739) 7:38 Effective 2024-09-26 through 2024-10-25
Daily 07:00 San Francisco (SFO) 3 23:59 Detroit (DTW) E
UA 1640 2-stop Boeing 737-900 (739) 13:59 Effective 2024-12-03 through 2024-12-18
This flight number is listed as serving the following routes:


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United Airlines flight UA 1640: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1640
07:00
San Francisco (SFO) 3

08:37
San Diego (SAN) 2
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Boeing 737-900 (739)
United Airlines UA1640
11:10
Chicago O'Hare (ORD) 1

13:57
Phoenix Sky Harbor (PHX) 3
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:47, non-stop
Boeing 737-900 (739)
United Airlines UA1640
11:15
Chicago O'Hare (ORD) 1

14:20
Phoenix Sky Harbor (PHX) 3
Effective 2025-03-06 through 2025-03-08
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 4:05, non-stop
Airbus A321neo (32Q)
United Airlines UA1640
11:15
Chicago O'Hare (ORD) 1

13:20
Phoenix Sky Harbor (PHX) 3
Effective 2025-03-09 through 2025-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:05, non-stop
Airbus A321neo (32Q)
United Airlines UA1640
11:21
Chicago O'Hare (ORD) 1

14:20
Phoenix Sky Harbor (PHX) 3
Effective 2025-02-13 through 2025-03-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:59, non-stop
Boeing 737-900 (739)
United Airlines UA1640
12:05
San Diego (SAN) 2

17:20
George Bush, Houston (IAH) C
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Boeing 737-900 (739)
United Airlines UA1640
12:12
San Diego (SAN) 2

17:25
George Bush, Houston (IAH) C
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:13, non-stop
Boeing 737-900 (739)
United Airlines UA1640
13:20
Sacramento (SMF) A

18:58
George Bush, Houston (IAH) C
Effective 2024-09-26 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:38, non-stop
Boeing 737-900 (739)
United Airlines UA1640
20:05
George Bush, Houston (IAH) C

23:53
Detroit (DTW) E
Operates only on 2024-09-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:48, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1640
20:05
George Bush, Houston (IAH) C

23:53
Detroit (DTW) E
Effective 2024-09-02 through 2024-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:48, non-stop
Airbus A320 (320)
United Airlines UA1640
20:05
George Bush, Houston (IAH) C

23:53
Detroit (DTW) E
Operates only on 2024-09-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:48, non-stop
Airbus A319 (319)
United Airlines UA1640
20:10
George Bush, Houston (IAH) C

23:58
Detroit (DTW) E
Effective 2024-09-26 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:48, non-stop
Airbus A319 (319)
United Airlines UA1640
20:10
George Bush, Houston (IAH) C

23:59
Detroit (DTW) E
Effective 2024-10-27 through 2024-11-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Boeing 737-700 (73G)
United Airlines UA1640
20:10
George Bush, Houston (IAH) C

23:59
Detroit (DTW) E
Effective 2024-11-29 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 2:49, non-stop
Boeing 737-700 (73G)
United Airlines UA1640
20:10
George Bush, Houston (IAH) C

23:59
Detroit (DTW) E
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:49, non-stop
Airbus A319 (319)
United Airlines UA1640
20:52
Fort Myers (RSW)

23:50
Newark Liberty, New York (EWR) C
Effective 2024-12-21 through 2025-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:58, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1640
20:58
Fort Myers (RSW)

23:56
Newark Liberty, New York (EWR) C
Effective 2024-12-19 through 2025-01-05
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 2:58, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1640
20:58
Fort Myers (RSW)

23:56
Newark Liberty, New York (EWR) C
Effective 2024-12-20 through 2025-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:58, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1640
20:58
Fort Myers (RSW)

23:56
Newark Liberty, New York (EWR) C
Effective 2024-12-23 through 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:58, non-stop
Boeing 737-900 (739)
United Airlines UA1640
20:59
Fairbanks (FAI)

05:57(+1)
Chicago O'Hare (ORD) 1
Effective from 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:58, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA1640
07:00
San Francisco (SFO) 3

17:25
George Bush, Houston (IAH) C
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:25, 1-stop
Boeing 737-900 (739)
United Airlines UA1640
12:05
San Diego (SAN) 2

23:53
Detroit (DTW) E
Valid until 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:48, 1-stop
Boeing 737-900 (739)
United Airlines UA1640
12:12
San Diego (SAN) 2

23:59
Detroit (DTW) E
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:47, 1-stop
Boeing 737-900 (739)
United Airlines UA1640
13:20
Sacramento (SMF) A

23:58
Detroit (DTW) E
Effective 2024-09-26 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 7:38, 1-stop
Boeing 737-900 (739)
United Airlines UA1640
07:00
San Francisco (SFO) 3

23:59
Detroit (DTW) E
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:59, 2-stop
Boeing 737-900 (739)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Phoenix Sky Harbor (PHX)
  • Fairbanks (FAI) - Chicago O'Hare (ORD)
  • Fort Myers (RSW) - Newark Liberty, New York (EWR)
  • George Bush, Houston (IAH) - Detroit (DTW)
  • Sacramento (SMF) - Detroit (DTW)
  • Sacramento (SMF) - George Bush, Houston (IAH)
  • San Diego (SAN) - Detroit (DTW)
  • San Diego (SAN) - George Bush, Houston (IAH)
  • San Francisco (SFO) - Detroit (DTW)
  • San Francisco (SFO) - George Bush, Houston (IAH)
  • San Francisco (SFO) - San Diego (SAN)
All United Airlines flights
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