United Airlines flight UA 4259: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue 08:15 Washington Dulles (IAD) 10:01 Dayton (DAY)
UA 4259 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:46 Operates only on 2026-01-06
Tue,Wed,Sun 14:48 Houston George Bush (IAH) B 16:20 McAllen/Mission (MFE)
UA 4259 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:32 Effective 2026-02-15 through 2026-03-01
Wed 14:48 Houston George Bush (IAH) B 16:20 McAllen/Mission (MFE)
UA 4259 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:32 Operates only on 2026-03-04
Daily 19:35 Columbia (CAE) 21:11 Washington Dulles (IAD)
UA 4259 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:36 Effective from 2026-04-30
Mon-Fri,Sun 19:37 Columbia (CAE) 21:17 Washington Dulles (IAD)
UA 4259 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:40 Valid until 2026-01-05
Daily 19:39 Columbia (CAE) 21:18 Washington Dulles (IAD)
UA 4259 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:39 Effective 2026-03-05 through 2026-04-29
Sat 19:46 Charleston (CHS) 21:25 Washington Dulles (IAD)
UA 4259 Non-stop Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ) 1:39 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 4259: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4259
08:15
Washington Dulles (IAD)

10:01
Dayton (DAY)
Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:46, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4259
14:48
Houston George Bush (IAH) B

16:20
McAllen/Mission (MFE)
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:32, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4259
14:48
Houston George Bush (IAH) B

16:20
McAllen/Mission (MFE)
Operates only on 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:32, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4259
19:35
Columbia (CAE)

21:11
Washington Dulles (IAD)
Effective from 2026-04-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4259
19:37
Columbia (CAE)

21:17
Washington Dulles (IAD)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:40, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4259
19:39
Columbia (CAE)

21:18
Washington Dulles (IAD)
Effective 2026-03-05 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:39, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4259
19:46
Charleston (CHS)

21:25
Washington Dulles (IAD)
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:39, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
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This flight number is listed as serving the following routes:
  • Charleston (CHS) - Washington Dulles (IAD)
  • Columbia (CAE) - Washington Dulles (IAD)
  • Houston George Bush (IAH) - McAllen/Mission (MFE)
  • Washington Dulles (IAD) - Dayton (DAY)
All United Airlines flights
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