United Airlines flight UA 5821: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:54 Chicago O'Hare (ORD) 2 10:02 Milwaukee (MKE)
UA 5821 Non-stop Canadair CRJ (CRJ) 1:08 Effective 2025-06-26 through 2025-08-18
Daily 08:56 Chicago O'Hare (ORD) 2 09:49 Milwaukee (MKE)
UA 5821 Non-stop Embraer EMB 175 (E7W) 0:53 Effective 2025-10-26 through 2025-12-01
Sat 09:05 Chicago O'Hare (ORD) 2 10:13 Milwaukee (MKE)
UA 5821 Non-stop Embraer EMB 175 (E7W) 1:08 Effective 2025-05-24 through 2025-05-31
Daily 09:07 Chicago O'Hare (ORD) 2 10:13 Milwaukee (MKE)
UA 5821 Non-stop Canadair CRJ (CRJ) 1:06 Effective 2025-08-19 through 2025-10-25
Sun 09:11 Chicago O'Hare (ORD) 2 10:19 Milwaukee (MKE)
UA 5821 Non-stop Canadair CRJ 550 (CR5) 1:08 Operates only on 2025-05-25
Mon-Fri 09:14 Chicago O'Hare (ORD) 2 10:22 Milwaukee (MKE)
UA 5821 Non-stop Canadair CRJ (CRJ) 1:08 Effective 2025-05-23 through 2025-05-30
Daily 09:14 Chicago O'Hare (ORD) 2 10:22 Milwaukee (MKE)
UA 5821 Non-stop Canadair CRJ (CRJ) 1:08 Effective 2025-06-01 through 2025-06-25
Mon,Wed-Fri,Sun 18:00 San Francisco (SFO) 3 19:43 Santa Ana (SNA)
UA 5821 Non-stop Embraer EMB 175 (E7W) 1:43 Valid until 2025-05-21
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This flight number is listed as serving the following routes:
United Airlines flight UA 5821: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA5821
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Canadair CRJ (CRJ)

United Airlines UA5821
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 0:53, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5821
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:08, non-stop
Embraer EMB 175 (E7W)

United Airlines UA5821
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:06, non-stop
Canadair CRJ (CRJ)

United Airlines UA5821
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:08, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA5821
Effective 2025-05-23 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:08, non-stop
Canadair CRJ (CRJ)

United Airlines UA5821
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Canadair CRJ (CRJ)

United Airlines UA5821
Valid until 2025-05-21
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Milwaukee (MKE)
  • San Francisco (SFO) - Santa Ana (SNA)