United Airlines flight UA 4678: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:48 Boise (BOI) 07:47 San Francisco (SFO) 3
UA 4678 Non-stop Embraer EMB 175 (E7W) 1:59 Effective from 2025-10-26
Daily 07:45 Boise (BOI) 08:41 San Francisco (SFO) 3
UA 4678 Non-stop Canadair CRJ 700 (CR7) 1:56 Effective 2025-08-19 through 2025-10-25
Daily 07:55 Denver (DEN) 09:59 Boise (BOI)
UA 4678 Non-stop Embraer EMB 175 (E7W) 2:04 Effective 2025-05-02 through 2025-05-21
Mon-Fri 09:40 George Bush, Houston (IAH) B 11:17 Midland (MAF)
UA 4678 Non-stop Embraer EMB 175 (E7W) 1:37 Effective 2025-05-23 through 2025-05-30
Mon-Fri,Sun 09:40 George Bush, Houston (IAH) B 11:17 Midland (MAF)
UA 4678 Non-stop Embraer EMB 175 (E7W) 1:37 Effective 2025-06-01 through 2025-06-25
Mon-Thu,Sun 12:07 George Bush, Houston (IAH) B 13:09 Austin (AUS)
UA 4678 Non-stop Embraer EMB 175 (E7W) 1:02 Effective 2025-06-26 through 2025-08-18
Fri,Sat 16:30 San Francisco (SFO) 3 19:51 Kalispell (FCA)
UA 4678 Non-stop Embraer EMB 175 (E7W) 2:21 Effective 2025-06-27 through 2025-07-26
Fri,Sat 21:00 San Francisco (SFO) 3 22:15 Santa Barbara (SBA)
UA 4678 Non-stop Embraer EMB 175 (E7W) 1:15 Effective 2025-08-01 through 2025-08-16
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This flight number is listed as serving the following routes:
United Airlines flight UA 4678: Multiple routes
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Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA4678
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:59, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4678
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:56, non-stop
Canadair CRJ 700 (CR7)

United Airlines UA4678
Effective 2025-05-02 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:04, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4678
Effective 2025-05-23 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:37, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4678
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:37, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4678
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:02, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4678
Effective 2025-06-27 through 2025-07-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 2:21, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4678
Effective 2025-08-01 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:15, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Boise (BOI) - San Francisco (SFO)
  • Denver (DEN) - Boise (BOI)
  • George Bush, Houston (IAH) - Austin (AUS)
  • George Bush, Houston (IAH) - Midland (MAF)
  • San Francisco (SFO) - Kalispell (FCA)
  • San Francisco (SFO) - Santa Barbara (SBA)