United Airlines flight UA 4545: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon 10:26 Raleigh/Durham (RDU) 2 11:44 Washington Dulles (IAD)
UA 4545 Non-stop Canadair CRJ 550 (CR5) 1:18 Effective 2026-02-16 through 2026-03-02
Mon-Fri,Sun 10:40 Greenville/Spartanburg (GSP) 12:00 Chicago O'Hare (ORD) 2
UA 4545 Non-stop Canadair CRJ 550 (CR5) 2:20 Effective 2026-03-05 through 2026-03-27
Daily 10:44 Greenville/Spartanburg (GSP) 12:00 Chicago O'Hare (ORD) 2
UA 4545 Non-stop Canadair CRJ 550 (CR5) 2:16 Effective 2026-03-29 through 2026-04-29
Daily 10:51 Greenville/Spartanburg (GSP) 12:10 Chicago O'Hare (ORD) 2
UA 4545 Non-stop Canadair CRJ 550 (CR5) 2:19 Effective 2026-01-06 through 2026-02-03
Daily 10:51 Greenville/Spartanburg (GSP) 12:10 Chicago O'Hare (ORD) 2
UA 4545 Non-stop Canadair CRJ 550 (CR5) 2:19 Effective 2026-02-05 through 2026-02-11
Mon,Tue,Thu,Fri,Sun 11:00 Newark Liberty, New York (EWR) C 12:29 Bangor (BGR)
UA 4545 Non-stop Canadair CRJ 550 (CR5) 1:29 Valid until 2026-01-05
Daily 14:46 Ottawa Macdonald-Cartier (YOW) 16:25 Washington Dulles (IAD)
UA 4545 Non-stop Canadair CRJ 550 (CR5) 1:39 Effective from 2026-05-21
Daily 14:58 Norfolk (ORF) 16:17 Washington Dulles (IAD)
UA 4545 Non-stop Canadair CRJ 550 (CR5) 1:19 Effective 2026-04-30 through 2026-05-20
Sat 17:20 Washington Dulles (IAD) 18:39 Raleigh/Durham (RDU) 2
UA 4545 Non-stop Canadair CRJ 550 (CR5) 1:19 Valid until 2026-01-03
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This flight number is listed as serving the following routes:


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United Airlines flight UA 4545: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4545
10:26
Raleigh/Durham (RDU) 2

11:44
Washington Dulles (IAD)
Effective 2026-02-16 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:18, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4545
10:40
Greenville/Spartanburg (GSP)

12:00
Chicago O'Hare (ORD) 2
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4545
10:44
Greenville/Spartanburg (GSP)

12:00
Chicago O'Hare (ORD) 2
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:16, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4545
10:51
Greenville/Spartanburg (GSP)

12:10
Chicago O'Hare (ORD) 2
Effective 2026-01-06 through 2026-02-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:19, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4545
10:51
Greenville/Spartanburg (GSP)

12:10
Chicago O'Hare (ORD) 2
Effective 2026-02-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:19, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4545
11:00
Newark Liberty, New York (EWR) C

12:29
Bangor (BGR)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:29, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4545
14:46
Ottawa Macdonald-Cartier (YOW)

16:25
Washington Dulles (IAD)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4545
14:58
Norfolk (ORF)

16:17
Washington Dulles (IAD)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:19, non-stop
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4545
17:20
Washington Dulles (IAD)

18:39
Raleigh/Durham (RDU) 2
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:19, non-stop
Canadair CRJ 550 (CR5)
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This flight number is listed as serving the following routes:
  • Greenville/Spartanburg (GSP) - Chicago O'Hare (ORD)
  • Newark Liberty, New York (EWR) - Bangor (BGR)
  • Norfolk (ORF) - Washington Dulles (IAD)
  • Ottawa Macdonald-Cartier (YOW) - Washington Dulles (IAD)
  • Washington Dulles (IAD) - Raleigh/Durham (RDU)
All United Airlines flights
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