United Airlines vuelo UA 4021: Multiple routes

Seleccione fecha de vuelo:
HORARIO DE VUELOS
Vuelos directos:
Lun,Mar,Jue-Dom 07:53 Dallas Fort Worth (DFW) E 09:16 Houston George Bush (IAH) B
UA 4021 Non-stop Embraer EMB 175 (E7W) 1:23 Valid until 2026-01-05
Diario 09:55 Louisville (SDF) 11:38 Washington Dulles (IAD)
UA 4021 Non-stop Embraer EMB 175 (E7W) 1:43 Effective 2026-03-05 through 2026-03-28
Sab 13:23 Dallas Fort Worth (DFW) E 14:43 Houston George Bush (IAH) B
UA 4021 Non-stop Embraer EMB 175 (E7W) 1:20 Effective 2026-02-14 through 2026-02-28
Diario 14:15 McAllen/Mission (MFE) 15:28 Houston George Bush (IAH) B
UA 4021 Non-stop Embraer EMB 175 (E7W) 1:13 Effective from 2026-05-21
Lun,Dom 14:17 Dallas Fort Worth (DFW) E 15:37 Houston George Bush (IAH) B
UA 4021 Non-stop Embraer EMB 175 (E7W) 1:20 Effective 2026-02-15 through 2026-03-02
Diario 18:05 Key West (EYW) 20:53 Washington Dulles (IAD)
UA 4021 Non-stop Embraer EMB 175 (E7W) 2:48 Effective 2026-01-06 through 2026-02-11
This flight number is listed as serving the following routes:
United Airlines vuelo UA 4021: Multiple routes
Seleccione fecha de vuelo:
HORARIO DE VUELOS
Vuelos directos:

United Airlines UA4021
Valid until 2026-01-05
Lun
Mar
Mie
-
Jue
Vie
Sab
Dom
Duration: 1:23, non-stop
Embraer EMB 175 (E7W)

Vuelos directos:

United Airlines UA4021
Effective 2026-03-05 through 2026-03-28
Lun
Mar
Mie
Jue
Vie
Sab
Dom
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)

Vuelos directos:

United Airlines UA4021
Effective 2026-02-14 through 2026-02-28
Lun
-
Mar
-
Mie
-
Jue
-
Vie
-
Sab
Dom
-
Duration: 1:20, non-stop
Embraer EMB 175 (E7W)

Vuelos directos:

United Airlines UA4021
Effective from 2026-05-21
Lun
Mar
Mie
Jue
Vie
Sab
Dom
Duration: 1:13, non-stop
Embraer EMB 175 (E7W)

Vuelos directos:

United Airlines UA4021
Effective 2026-02-15 through 2026-03-02
Lun
Mar
-
Mie
-
Jue
-
Vie
-
Sab
-
Dom
Duration: 1:20, non-stop
Embraer EMB 175 (E7W)

Vuelos directos:

United Airlines UA4021
Effective 2026-01-06 through 2026-02-11
Lun
Mar
Mie
Jue
Vie
Sab
Dom
Duration: 2:48, non-stop
Embraer EMB 175 (E7W)
This flight number is listed as serving the following routes:
  • Dallas Fort Worth (DFW) - Houston George Bush (IAH)
  • Key West (EYW) - Washington Dulles (IAD)
  • Louisville (SDF) - Washington Dulles (IAD)
  • McAllen/Mission (MFE) - Houston George Bush (IAH)