United Airlines flight UA 1668: Multiple routes

Ad box here 1220564027 I FlightWNum Top Box
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:49 Austin (AUS) 10:59 San Francisco (SFO) 3
UA 1668 Non-stop Airbus A319 (319) 4:10 Valid until 2026-01-05
Daily 08:55 Austin (AUS) 10:58 San Francisco (SFO) 3
UA 1668 Non-stop Airbus A320 (320) 4:03 Effective from 2026-03-29
Daily 09:30 Austin (AUS) 11:40 San Francisco (SFO) 3
UA 1668 Non-stop Airbus A320 (320) 4:10 Effective 2026-01-06 through 2026-02-11
Daily 09:35 Austin (AUS) 11:38 San Francisco (SFO) 3
UA 1668 Non-stop Airbus A320 (320) 4:03 Effective 2026-02-12 through 2026-03-04
Daily 09:40 Austin (AUS) 11:43 San Francisco (SFO) 3
UA 1668 Non-stop Airbus A319 (319) 4:03 Effective 2026-03-05 through 2026-03-17
Wed 09:40 Austin (AUS) 11:41 San Francisco (SFO) 3
UA 1668 Non-stop Boeing 737-800 (738) 4:01 Operates only on 2026-03-18
Daily 09:40 Austin (AUS) 11:43 San Francisco (SFO) 3
UA 1668 Non-stop Airbus A319 (319) 4:03 Effective 2026-03-19 through 2026-03-28
Mon-Fri,Sun 12:55 San Francisco (SFO) 3 14:46 Portland (PDX)
UA 1668 Non-stop Boeing 737-800 (738) 1:51 Valid until 2026-01-05
Mon,Thu-Sat 12:55 San Francisco (SFO) 3 14:46 Portland (PDX)
UA 1668 Non-stop Boeing 737-800 (738) 1:51 Effective 2026-01-08 through 2026-01-16
Sat 12:55 San Francisco (SFO) 3 14:46 Portland (PDX)
UA 1668 Non-stop Boeing 737-900 (739) 1:51 Effective 2026-01-17 through 2026-02-07
Mon,Thu,Fri 12:55 San Francisco (SFO) 3 14:46 Portland (PDX)
UA 1668 Non-stop Boeing 737-800 (738) 1:51 Effective 2026-01-19 through 2026-02-02
Mon,Tue,Thu,Fri 12:55 San Francisco (SFO) 3 14:46 Portland (PDX)
UA 1668 Non-stop Boeing 737-800 (738) 1:51 Effective 2026-02-03 through 2026-02-09
Wed 12:55 San Francisco (SFO) 3 14:46 Portland (PDX)
UA 1668 Non-stop Boeing 737 MAX 9 (7M9) 1:51 Operates only on 2026-02-11
Mon-Fri,Sun 12:56 San Francisco (SFO) 3 14:48 Portland (PDX)
UA 1668 Non-stop Airbus A320 (320) 1:52 Effective 2026-02-12 through 2026-03-04
Wed,Sun 12:57 San Francisco (SFO) 3 14:48 Portland (PDX)
UA 1668 Non-stop Boeing 737-800 (738) 1:51 Effective 2026-01-07 through 2026-02-01
Sun 12:57 San Francisco (SFO) 3 14:48 Portland (PDX)
UA 1668 Non-stop Boeing 737-800 (738) 1:51 Operates only on 2026-02-08
Wed 13:04 San Francisco (SFO) 3 14:53 Portland (PDX)
UA 1668 Non-stop Boeing 737-800 (738) 1:49 Operates only on 2026-02-04
Mon-Thu,Sat,Sun 13:11 San Francisco (SFO) 3 14:49 San Diego (SAN) 2
UA 1668 Non-stop Boeing 737-800 (738) 1:38 Effective 2026-03-05 through 2026-03-28
Fri 13:11 San Francisco (SFO) 3 14:49 San Diego (SAN) 2
UA 1668 Non-stop Boeing 737 MAX 8 (7M8) 1:38 Effective 2026-03-06 through 2026-03-27
Daily 13:50 San Francisco (SFO) 3 15:38 San Diego (SAN) 2
UA 1668 Non-stop Boeing 737 MAX 9 (7M9) 1:48 Effective 2026-03-29 through 2026-04-29
Daily 13:50 San Francisco (SFO) 3 15:39 San Diego (SAN) 2
UA 1668 Non-stop Boeing 737-800 (738) 1:49 Effective 2026-04-30 through 2026-05-20
Daily 13:50 San Francisco (SFO) 3 15:38 San Diego (SAN) 2
UA 1668 Non-stop Boeing 737 MAX 9 (7M9) 1:48 Effective from 2026-10-25
Daily 13:55 San Francisco (SFO) 3 15:36 San Diego (SAN) 2
UA 1668 Non-stop Boeing 737-900 (739) 1:41 Effective 2026-05-21 through 2026-10-24
Non-Direct Flights:
Mon-Fri,Sun 08:49 Austin (AUS) 14:46 Portland (PDX)
UA 1668 1-stop Airbus A319 (319) 7:57 Valid until 2026-01-05
Daily 08:55 Austin (AUS) 15:38 San Diego (SAN) 2
UA 1668 1-stop Airbus A320 (320) 8:43 Effective 2026-03-29 through 2026-04-29
Daily 08:55 Austin (AUS) 15:39 San Diego (SAN) 2
UA 1668 1-stop Airbus A320 (320) 8:44 Effective 2026-04-30 through 2026-05-20
Daily 08:55 Austin (AUS) 15:36 San Diego (SAN) 2
UA 1668 1-stop Airbus A320 (320) 8:41 Effective 2026-05-21 through 2026-10-24
Daily 08:55 Austin (AUS) 15:38 San Diego (SAN) 2
UA 1668 1-stop Airbus A320 (320) 8:43 Effective from 2026-10-25
Wed,Sun 09:30 Austin (AUS) 14:48 Portland (PDX)
UA 1668 1-stop Airbus A320 (320) 7:18 Effective 2026-01-07 through 2026-02-01
Mon,Thu-Sat 09:30 Austin (AUS) 14:46 Portland (PDX)
UA 1668 1-stop Airbus A320 (320) 7:16 Effective 2026-01-08 through 2026-02-02
Mon,Tue,Thu-Sat 09:30 Austin (AUS) 14:46 Portland (PDX)
UA 1668 1-stop Airbus A320 (320) 7:16 Effective 2026-02-03 through 2026-02-09
Wed 09:30 Austin (AUS) 14:53 Portland (PDX)
UA 1668 1-stop Airbus A320 (320) 7:23 Operates only on 2026-02-04
Sun 09:30 Austin (AUS) 14:48 Portland (PDX)
UA 1668 1-stop Airbus A320 (320) 7:18 Operates only on 2026-02-08
Wed 09:30 Austin (AUS) 14:46 Portland (PDX)
UA 1668 1-stop Airbus A320 (320) 7:16 Operates only on 2026-02-11
Mon-Fri,Sun 09:35 Austin (AUS) 14:48 Portland (PDX)
UA 1668 1-stop Airbus A320 (320) 7:13 Effective 2026-02-12 through 2026-03-04
Daily 09:40 Austin (AUS) 14:49 San Diego (SAN) 2
UA 1668 1-stop Airbus A319 (319) 7:09 Effective 2026-03-05 through 2026-03-17
Wed 09:40 Austin (AUS) 14:49 San Diego (SAN) 2
UA 1668 1-stop Boeing 737-800 (738) 7:09 Operates only on 2026-03-18
Daily 09:40 Austin (AUS) 14:49 San Diego (SAN) 2
UA 1668 1-stop Airbus A319 (319) 7:09 Effective 2026-03-19 through 2026-03-28
Ad flat here 1377413384 I FlightWNum Lower
Parallax here -
This flight number is listed as serving the following routes:
United Airlines flight UA 1668: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA1668
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:10, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1668
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:03, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1668
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:10, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1668
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:03, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1668
Effective 2026-03-05 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:03, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1668
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:01, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Effective 2026-03-19 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:03, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA1668
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:51, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 1:51, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Effective 2026-01-17 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:51, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1668
Effective 2026-01-19 through 2026-02-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:51, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Effective 2026-02-03 through 2026-02-09
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:51, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:51, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1668
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:52, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA1668
Effective 2026-01-07 through 2026-02-01
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:51, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:51, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:49, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 1:38, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Effective 2026-03-06 through 2026-03-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:38, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

United Airlines UA1668
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1668
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:49, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA1668
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:48, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1668
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:41, non-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA1668
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:57, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1668
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:43, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:44, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:41, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:43, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Effective 2026-01-07 through 2026-02-01
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:18, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Effective 2026-01-08 through 2026-02-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 7:16, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Effective 2026-02-03 through 2026-02-09
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 7:16, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Operates only on 2026-02-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:23, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:18, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:16, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:13, 1-stop
Airbus A320 (320)

Non-Direct Flights:

United Airlines UA1668
Effective 2026-03-05 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:09, 1-stop
Airbus A319 (319)

Non-Direct Flights:

United Airlines UA1668
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:09, 1-stop
Boeing 737-800 (738)

Non-Direct Flights:

United Airlines UA1668
Effective 2026-03-19 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:09, 1-stop
Airbus A319 (319)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here -
This flight number is listed as serving the following routes:
  • Austin (AUS) - Portland (PDX)
  • Austin (AUS) - San Diego (SAN)
  • Austin (AUS) - San Francisco (SFO)
  • San Francisco (SFO) - Portland (PDX)
  • San Francisco (SFO) - San Diego (SAN)