United Airlines flight UA 5640: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 13:25 Milwaukee (MKE) 14:31 Chicago O'Hare (ORD) 2
UA 5640 Non-stop Canadair CRJ (CRJ) 1:06 Effective 2026-02-12 through 2026-03-28
Daily 13:25 Milwaukee (MKE) 14:34 Chicago O'Hare (ORD) 2
UA 5640 Non-stop Canadair CRJ (CRJ) 1:09 Effective 2026-03-29 through 2026-04-29
Daily 13:35 Milwaukee (MKE) 14:44 Chicago O'Hare (ORD) 2
UA 5640 Non-stop Canadair CRJ (CRJ) 1:09 Effective 2026-04-30 through 2026-05-20
Daily 14:06 Medford (MFR) 15:44 San Francisco (SFO) 3
UA 5640 Non-stop Embraer EMB 175 (E7W) 1:38 Valid until 2026-01-05
Daily 14:24 Milwaukee (MKE) 15:33 Chicago O'Hare (ORD) 2
UA 5640 Non-stop Embraer EMB 175 (E7W) 1:09 Effective from 2026-05-21
Tue 14:32 Milwaukee (MKE) 15:45 Chicago O'Hare (ORD) 2
UA 5640 Non-stop Canadair CRJ 550 (CR5) 1:13 Operates only on 2026-01-06
Daily 14:32 Milwaukee (MKE) 15:45 Chicago O'Hare (ORD) 2
UA 5640 Non-stop Canadair CRJ (CRJ) 1:13 Effective 2026-01-07 through 2026-02-11
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This flight number is listed as serving the following routes:


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United Airlines flight UA 5640: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA5640
13:25
Milwaukee (MKE)

14:31
Chicago O'Hare (ORD) 2
Effective 2026-02-12 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:06, non-stop
Canadair CRJ (CRJ)
Direct Flights:
United Airlines UA5640
13:25
Milwaukee (MKE)

14:34
Chicago O'Hare (ORD) 2
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Canadair CRJ (CRJ)
Direct Flights:
United Airlines UA5640
13:35
Milwaukee (MKE)

14:44
Chicago O'Hare (ORD) 2
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Canadair CRJ (CRJ)
Direct Flights:
United Airlines UA5640
14:06
Medford (MFR)

15:44
San Francisco (SFO) 3
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5640
14:24
Milwaukee (MKE)

15:33
Chicago O'Hare (ORD) 2
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:09, non-stop
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA5640
14:32
Milwaukee (MKE)

15:45
Chicago O'Hare (ORD) 2
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:13, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA5640
14:32
Milwaukee (MKE)

15:45
Chicago O'Hare (ORD) 2
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:13, non-stop
Canadair CRJ (CRJ)
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This flight number is listed as serving the following routes:
  • Medford (MFR) - San Francisco (SFO)
  • Milwaukee (MKE) - Chicago O'Hare (ORD)
All United Airlines flights
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