United Airlines flight UA 4639: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 Chattanooga (CHA) 07:53 Chicago O'Hare (ORD) 2
UA 4639 Non-stop Canadair CRJ 550 (CR5) 1:53 Effective 2025-08-19 through 2025-09-24
Daily 07:00 Chattanooga (CHA) 08:03 Chicago O'Hare (ORD) 2
UA 4639 Non-stop Canadair CRJ 550 (CR5) 2:03 Effective 2025-09-25 through 2025-10-25
Sat 08:30 Moline (MLI) 09:44 Chicago O'Hare (ORD) 2
UA 4639 Non-stop Canadair CRJ (CRJ) 1:14 Effective 2025-05-24 through 2025-05-31
Daily 10:40 Ontario, Los Angeles (ONT) 2 12:20 San Francisco (SFO) 3
UA 4639 Non-stop Embraer EMB 175 (E7W) 1:40 Effective from 2025-10-26
Daily 12:04 Baton Rouge (BTR) 13:30 George Bush, Houston (IAH) B
UA 4639 Non-stop Canadair CRJ (CRJ) 1:26 Valid until 2025-05-07
Mon-Wed,Fri-Sun 12:04 Baton Rouge (BTR) 13:30 George Bush, Houston (IAH) B
UA 4639 Non-stop Canadair CRJ (CRJ) 1:26 Effective 2025-05-09 through 2025-05-21
Mon-Fri,Sun 14:14 Baton Rouge (BTR) 15:37 George Bush, Houston (IAH) B
UA 4639 Non-stop Canadair CRJ (CRJ) 1:23 Effective 2025-05-22 through 2025-06-25
Daily 14:15 Corpus Christi (CRP) 15:29 George Bush, Houston (IAH) B
UA 4639 Non-stop Canadair CRJ (CRJ) 1:14 Effective 2025-06-26 through 2025-08-18
Sat 16:20 George Bush, Houston (IAH) B 18:20 Birmingham (BHM)
UA 4639 Non-stop Embraer EMB 175 (E7W) 2:00 Effective 2025-06-07 through 2025-06-21
Thu 17:25 Baton Rouge (BTR) 18:51 George Bush, Houston (IAH) B
UA 4639 Non-stop Canadair CRJ (CRJ) 1:26 Effective 2025-05-08 through 2025-05-15
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This flight number is listed as serving the following routes:
United Airlines flight UA 4639: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA4639
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA4639
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:03, non-stop
Canadair CRJ 550 (CR5)

United Airlines UA4639
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:14, non-stop
Canadair CRJ (CRJ)

United Airlines UA4639
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4639
Valid until 2025-05-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:26, non-stop
Canadair CRJ (CRJ)

United Airlines UA4639
Effective 2025-05-09 through 2025-05-21
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 1:26, non-stop
Canadair CRJ (CRJ)

United Airlines UA4639
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:23, non-stop
Canadair CRJ (CRJ)

United Airlines UA4639
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:14, non-stop
Canadair CRJ (CRJ)

United Airlines UA4639
Effective 2025-06-07 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Embraer EMB 175 (E7W)

United Airlines UA4639
Effective 2025-05-08 through 2025-05-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:26, non-stop
Canadair CRJ (CRJ)
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This flight number is listed as serving the following routes:
  • Baton Rouge (BTR) - George Bush, Houston (IAH)
  • Chattanooga (CHA) - Chicago O'Hare (ORD)
  • Corpus Christi (CRP) - George Bush, Houston (IAH)
  • George Bush, Houston (IAH) - Birmingham (BHM)
  • Moline (MLI) - Chicago O'Hare (ORD)
  • Ontario, Los Angeles (ONT) - San Francisco (SFO)