United Airlines
vol
UA 399:
Multiple routes
HORAIRES DES VOLS
Vols directs:
United Airlines UA399
Valid until 2026-01-03
Lun
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Mar
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Mer
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Jeu
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Ven
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Sam
Dim
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Duration: 2:17, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Vols directs:
United Airlines UA399
Operates only on 2026-01-06
Lun
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Mar
Mer
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Jeu
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Ven
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Sam
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Dim
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Duration: 2:24, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Vols directs:
United Airlines UA399
Effective 2026-01-10 through 2026-02-10
Lun
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Mar
Mer
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Jeu
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Ven
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Sam
Dim
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Duration: 2:25, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Vols directs:
United Airlines UA399
Effective 2026-01-07 through 2026-02-11
Lun
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Mar
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Mer
Jeu
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Ven
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Sam
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Dim
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Duration: 2:25, non-stop
Airbus A321neo (32Q)
Airbus A321neo (32Q)
Vols directs:
United Airlines UA399
Effective 2026-01-08 through 2026-02-09
Lun
Mar
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-
Mer
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-
Jeu
Ven
Sam
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-
Dim
Duration: 2:24, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Vols directs:
United Airlines UA399
Valid until 2026-01-05
Lun
Mar
Mer
Jeu
Ven
Sam
-
-
Dim
Duration: 2:24, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Vols directs:
United Airlines UA399
Effective 2026-05-22 through 2026-09-23
Lun
Mar
Mer
Jeu
Ven
Sam
Dim
Duration: 6:25, non-stop
Boeing 757-200 (752)
Boeing 757-200 (752)
Vols directs:
United Airlines UA399
Operates only on 2026-02-13
Lun
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Mar
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Mer
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Jeu
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Ven
Sam
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Dim
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Duration: 2:43, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Vols directs:
United Airlines UA399
Effective 2026-02-15 through 2026-03-04
Lun
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-
Mar
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-
Mer
Jeu
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Ven
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Sam
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Dim
Duration: 2:43, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Vols directs:
United Airlines UA399
Effective 2026-02-12 through 2026-02-19
Lun
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Mar
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Mer
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Jeu
Ven
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Sam
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Dim
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Duration: 2:43, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Vols directs:
United Airlines UA399
Operates only on 2026-02-16
Lun
Mar
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Mer
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Jeu
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Ven
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Sam
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Dim
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Duration: 2:43, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Vols directs:
United Airlines UA399
Effective 2026-02-17 through 2026-03-03
Lun
Mar
Mer
-
-
Jeu
-
-
Ven
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Sam
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Dim
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Duration: 2:43, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Vols directs:
United Airlines UA399
Effective 2026-02-20 through 2026-02-27
Lun
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Mar
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Mer
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Jeu
Ven
Sam
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Dim
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Duration: 2:43, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Vols directs:
United Airlines UA399
Effective 2026-02-14 through 2026-02-28
Lun
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-
Mar
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Mer
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Jeu
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Ven
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Sam
Dim
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Duration: 2:47, non-stop
Airbus A320 (320)
Airbus A320 (320)
Vols directs:
United Airlines UA399
Operates only on 2026-03-05
Lun
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Mar
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Mer
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Jeu
Ven
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Sam
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Dim
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Duration: 3:15, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
Vols directs:
United Airlines UA399
Effective 2026-03-06 through 2026-03-13
Lun
Mar
Mer
Jeu
Ven
Sam
-
-
Dim
Duration: 3:15, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Vols directs:
United Airlines UA399
Effective 2026-03-14 through 2026-03-28
Lun
Mar
Mer
Jeu
Ven
Sam
Dim
Duration: 3:15, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
Vols directs:
United Airlines UA399
Operates only on 2026-03-07
Lun
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-
Mar
-
-
Mer
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Jeu
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Ven
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Sam
Dim
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Duration: 3:15, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
This flight number is listed as serving the following routes:
- Chicago O'Hare (ORD) - Boston Logan (BOS)
- Houston George Bush (IAH) - Charlotte (CLT)
- Keflavik, Reykjavik (KEF) - Washington Dulles (IAD)
- Newark Liberty, New York (EWR) - Fort Lauderdale (FLL)
- Seattle-Tacoma (SEA) - Denver (DEN)