United Airlines
voo
UA 4521:
Multiple routes
PLANEAR VOO
Voos Directos:
United Airlines UA4521
Effective 2026-03-08 through 2026-03-22
Seg
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Ter
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Qua
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Qui
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Sex
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Sáb
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Dom
Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Voos Directos:
United Airlines UA4521
Effective 2026-03-05 through 2026-03-27
Seg
Ter
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Qua
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Qui
Sex
Sáb
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Dom
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Duration: 2:04, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Voos Directos:
United Airlines UA4521
Effective 2026-02-12 through 2026-03-04
Seg
Ter
Qua
Qui
Sex
Sáb
Dom
Duration: 1:59, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Voos Directos:
United Airlines UA4521
Effective 2026-03-29 through 2026-05-20
Seg
Ter
Qua
Qui
Sex
Sáb
Dom
Duration: 1:40, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Voos Directos:
United Airlines UA4521
Valid until 2026-01-05
Seg
Ter
Qua
Qui
Sex
Sáb
Dom
Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Voos Directos:
United Airlines UA4521
Effective 2026-01-06 through 2026-02-10
Seg
Ter
Qua
Qui
Sex
Sáb
Dom
Duration: 1:57, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Voos Directos:
United Airlines UA4521
Effective from 2026-05-21
Seg
Ter
Qua
Qui
Sex
Sáb
Dom
Duration: 1:48, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Asheville/Hendersonville (AVL)
- Chicago O'Hare (ORD) - Knoxville (TYS)
- Cincinnati (CVG) - Newark Liberty, New York (EWR)
- Washington Dulles (IAD) - Cincinnati (CVG)