United Airlines flight UA 5873: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 08:15 Wausau (CWA) 09:38 Chicago O'Hare (ORD) 2
UA 5873 Non-stop Canadair CRJ 550 (CR5) 1:23 Effective 2026-05-21 through 2026-08-17
Daily 08:15 Wausau (CWA) 09:41 Chicago O'Hare (ORD) 2
UA 5873 Non-stop Canadair CRJ 550 (CR5) 1:26 Effective 2026-08-18 through 2026-10-24
Daily 08:15 Wausau (CWA) 09:42 Chicago O'Hare (ORD) 2
UA 5873 Non-stop Canadair CRJ 550 (CR5) 1:27 Effective from 2026-10-25
Daily 08:30 Los Angeles (LAX) 7 11:37 Seattle-Tacoma (SEA)
UA 5873 Non-stop Embraer EMB 175 (E7W) 3:07 Effective 2026-03-29 through 2026-05-20
Daily 12:44 Los Angeles (LAX) 7 15:50 Seattle-Tacoma (SEA)
UA 5873 Non-stop Embraer EMB 175 (E7W) 3:06 Effective 2026-03-05 through 2026-03-28
Daily 16:24 Chicago O'Hare (ORD) 2 17:54 Saint Louis (STL) 1
UA 5873 Non-stop Embraer EMB 175 (E7W) 1:30 Valid until 2026-01-05
Mon-Fri,Sun 19:50 Santa Ana (SNA) 21:40 San Francisco (SFO) 3
UA 5873 Non-stop Canadair CRJ 700 (CR7) 1:50 Effective 2026-01-06 through 2026-02-11
Sat 19:50 Santa Ana (SNA) 21:43 San Francisco (SFO) 3
UA 5873 Non-stop Embraer EMB 175 (E7W) 1:53 Effective 2026-01-10 through 2026-02-07
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This flight number is listed as serving the following routes:


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United Airlines flight UA 5873: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA5873
08:15
Wausau (CWA)

09:38
Chicago O'Hare (ORD) 2
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA5873
08:15
Wausau (CWA)

09:41
Chicago O'Hare (ORD) 2
Effective 2026-08-18 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA5873
08:15
Wausau (CWA)

09:42
Chicago O'Hare (ORD) 2
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:27, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA5873
08:30
Los Angeles (LAX) 7

11:37
Seattle-Tacoma (SEA)
Effective 2026-03-29 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:07, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5873
12:44
Los Angeles (LAX) 7

15:50
Seattle-Tacoma (SEA)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:06, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5873
16:24
Chicago O'Hare (ORD) 2

17:54
Saint Louis (STL) 1
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:30, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5873
19:50
Santa Ana (SNA)

21:40
San Francisco (SFO) 3
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:50, non-stop
Canadair CRJ 700 (CR7)
Direct Flights:
United Airlines UA5873
19:50
Santa Ana (SNA)

21:43
San Francisco (SFO) 3
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:53, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Saint Louis (STL)
  • Los Angeles (LAX) - Seattle-Tacoma (SEA)
  • Santa Ana (SNA) - San Francisco (SFO)
  • Wausau (CWA) - Chicago O'Hare (ORD)
All United Airlines flights
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