United Airlines フライト UA 4021: Multiple routes

搭乗日を選択
フライト時刻表
直行便：
月,火,木-日 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
日々 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
土 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
日々 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
月,日 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
日々 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:


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United Airlines フライト UA 4021: Multiple routes
搭乗日を選択
フライト時刻表
直行便：
United Airlines UA4021
07:53
Dallas Fort Worth (DFW) E

09:16
Houston George Bush (IAH) B
Valid until 2026-01-05
月
火
水
-
木
金
土
日
Duration: 1:23, non-stop
Embraer EMB 175 (E7W)
直行便：
United Airlines UA4021
09:55
Louisville (SDF)

11:38
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-03-28
月
火
水
木
金
土
日
Duration: 1:43, non-stop
Embraer EMB 175 (E7W)
直行便：
United Airlines UA4021
13:23
Dallas Fort Worth (DFW) E

14:43
Houston George Bush (IAH) B
Effective 2026-02-14 through 2026-02-28
月
-
火
-
水
-
木
-
金
-
土
日
-
Duration: 1:20, non-stop
Embraer EMB 175 (E7W)
直行便：
United Airlines UA4021
14:15
McAllen/Mission (MFE)

15:28
Houston George Bush (IAH) B
Effective from 2026-05-21
月
火
水
木
金
土
日
Duration: 1:13, non-stop
Embraer EMB 175 (E7W)
直行便：
United Airlines UA4021
14:17
Dallas Fort Worth (DFW) E

15:37
Houston George Bush (IAH) B
Effective 2026-02-15 through 2026-03-02
月
火
-
水
-
木
-
金
-
土
-
日
Duration: 1:20, non-stop
Embraer EMB 175 (E7W)
直行便：
United Airlines UA4021
18:05
Key West (EYW)

20:53
Washington Dulles (IAD)
Effective 2026-01-06 through 2026-02-11
月
火
水
木
金
土
日
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)
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