United Airlines flight UA 678: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 McAllen/Mission (MFE) 08:17 George Bush, Houston (IAH) C
UA 678 Non-stop Boeing 737-900 (739) 1:17 Valid until 2025-05-21
Daily 07:00 Dallas Fort Worth (DFW) E 08:16 George Bush, Houston (IAH) C
UA 678 Non-stop Boeing 737 MAX 9 (7M9) 1:16 Effective 2025-06-01 through 2025-06-25
Tue-Sun 07:00 McAllen/Mission (MFE) 08:18 George Bush, Houston (IAH) C
UA 678 Non-stop Boeing 737-800 (738) 1:18 Effective 2025-06-26 through 2025-07-05
Mon,Sun 07:00 McAllen/Mission (MFE) 08:18 George Bush, Houston (IAH) C
UA 678 Non-stop Boeing 737-900 (739) 1:18 Effective 2025-06-30 through 2025-07-06
Daily 07:00 McAllen/Mission (MFE) 08:18 George Bush, Houston (IAH) C
UA 678 Non-stop Boeing 737-800 (738) 1:18 Effective 2025-07-07 through 2025-08-18
Daily 07:00 McAllen/Mission (MFE) 08:18 George Bush, Houston (IAH) C
UA 678 Non-stop Airbus A319 (319) 1:18 Effective 2025-08-19 through 2025-09-24
Daily 07:00 McAllen/Mission (MFE) 08:18 George Bush, Houston (IAH) C
UA 678 Non-stop Boeing 737-900 (739) 1:18 Effective 2025-09-25 through 2025-10-25
Daily 07:15 McAllen/Mission (MFE) 08:23 George Bush, Houston (IAH) C
UA 678 Non-stop Boeing 737-800 (738) 1:08 Effective from 2025-10-26
Mon-Fri 09:51 George Bush, Houston (IAH) C 14:29 New York LaGuardia (LGA) B
UA 678 Non-stop Boeing 737-800 (738) 3:38 Effective 2025-05-22 through 2025-05-30
Mon-Fri,Sun 09:51 George Bush, Houston (IAH) C 14:29 New York LaGuardia (LGA) B
UA 678 Non-stop Boeing 737-800 (738) 3:38 Effective 2025-06-01 through 2025-08-18
Mon-Fri 09:52 George Bush, Houston (IAH) C 14:29 New York LaGuardia (LGA) B
UA 678 Non-stop Boeing 737-800 (738) 3:37 Valid until 2025-05-07
Thu,Sun 09:52 George Bush, Houston (IAH) C 14:29 New York LaGuardia (LGA) B
UA 678 Non-stop Boeing 737 MAX 8 (7M8) 3:37 Effective 2025-05-04 through 2025-05-18
Mon-Wed,Fri 09:52 George Bush, Houston (IAH) C 14:29 New York LaGuardia (LGA) B
UA 678 Non-stop Boeing 737-800 (738) 3:37 Effective 2025-05-09 through 2025-05-21
Daily 09:56 George Bush, Houston (IAH) C 14:28 New York LaGuardia (LGA) B
UA 678 Non-stop Boeing 737 MAX 8 (7M8) 3:32 Effective 2025-09-25 through 2025-10-25
Daily 10:15 George Bush, Houston (IAH) C 14:40 New York LaGuardia (LGA) B
UA 678 Non-stop Boeing 737 MAX 8 (7M8) 3:25 Effective 2025-08-19 through 2025-09-24
Daily 10:15 George Bush, Houston (IAH) C 14:40 New York LaGuardia (LGA) B
UA 678 Non-stop Boeing 737-800 (738) 3:25 Effective from 2025-10-26
Mon,Tue,Thu,Fri 16:25 New York LaGuardia (LGA) B 18:05 Chicago O'Hare (ORD) 1
UA 678 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-05-22 through 2025-06-03
Wed,Sat,Sun 16:25 New York LaGuardia (LGA) B 18:05 Chicago O'Hare (ORD) 1
UA 678 Non-stop Boeing 737-800 (738) 2:40 Effective 2025-05-24 through 2025-06-01
Mon-Fri 16:25 New York LaGuardia (LGA) B 18:05 Chicago O'Hare (ORD) 1
UA 678 Non-stop Boeing 737 MAX 8 (7M8) 2:40 Effective 2025-06-04 through 2025-06-25
Sun 16:25 New York LaGuardia (LGA) B 18:05 Chicago O'Hare (ORD) 1
UA 678 Non-stop Boeing 737-800 (738) 2:40 Effective 2025-06-08 through 2025-06-22
Non-Direct Flights:
Mon-Fri,Sun 07:00 McAllen/Mission (MFE) 14:29 New York LaGuardia (LGA) B
UA 678 1-stop Boeing 737-900 (739) 6:29 Valid until 2025-05-21
Mon-Fri,Sun 07:00 Dallas Fort Worth (DFW) E 14:29 New York LaGuardia (LGA) B
UA 678 1-stop Boeing 737 MAX 9 (7M9) 6:29 Effective 2025-06-01 through 2025-06-25
Tue-Fri,Sun 07:00 McAllen/Mission (MFE) 14:29 New York LaGuardia (LGA) B
UA 678 1-stop Boeing 737-800 (738) 6:29 Effective 2025-06-26 through 2025-07-04
Mon,Sun 07:00 McAllen/Mission (MFE) 14:29 New York LaGuardia (LGA) B
UA 678 1-stop Boeing 737-900 (739) 6:29 Effective 2025-06-30 through 2025-07-06
Mon-Fri,Sun 07:00 McAllen/Mission (MFE) 14:29 New York LaGuardia (LGA) B
UA 678 1-stop Boeing 737-800 (738) 6:29 Effective 2025-07-07 through 2025-08-18
Daily 07:00 McAllen/Mission (MFE) 14:40 New York LaGuardia (LGA) B
UA 678 1-stop Airbus A319 (319) 6:40 Effective 2025-08-19 through 2025-09-24
Daily 07:00 McAllen/Mission (MFE) 14:28 New York LaGuardia (LGA) B
UA 678 1-stop Boeing 737-900 (739) 6:28 Effective 2025-09-25 through 2025-10-25
Daily 07:15 McAllen/Mission (MFE) 14:40 New York LaGuardia (LGA) B
UA 678 1-stop Boeing 737-800 (738) 6:25 Effective from 2025-10-26
Mon-Fri 09:51 George Bush, Houston (IAH) C 18:05 Chicago O'Hare (ORD) 1
UA 678 1-stop Boeing 737-800 (738) 8:14 Effective 2025-05-22 through 2025-05-30
Mon-Fri,Sun 09:51 George Bush, Houston (IAH) C 18:05 Chicago O'Hare (ORD) 1
UA 678 1-stop Boeing 737-800 (738) 8:14 Effective 2025-06-01 through 2025-06-25
Mon-Fri,Sun 07:00 Dallas Fort Worth (DFW) E 18:05 Chicago O'Hare (ORD) 1
UA 678 2-stop Boeing 737 MAX 9 (7M9) 11:05 Effective 2025-06-01 through 2025-06-25
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This flight number is listed as serving the following routes:


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United Airlines flight UA 678: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA678
07:00
McAllen/Mission (MFE)

08:17
George Bush, Houston (IAH) C
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:17, non-stop
Boeing 737-900 (739)
United Airlines UA678
07:00
Dallas Fort Worth (DFW) E

08:16
George Bush, Houston (IAH) C
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:16, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA678
07:00
McAllen/Mission (MFE)

08:18
George Bush, Houston (IAH) C
Effective 2025-06-26 through 2025-07-05
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Boeing 737-800 (738)
United Airlines UA678
07:00
McAllen/Mission (MFE)

08:18
George Bush, Houston (IAH) C
Effective 2025-06-30 through 2025-07-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:18, non-stop
Boeing 737-900 (739)
United Airlines UA678
07:00
McAllen/Mission (MFE)

08:18
George Bush, Houston (IAH) C
Effective 2025-07-07 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Boeing 737-800 (738)
United Airlines UA678
07:00
McAllen/Mission (MFE)

08:18
George Bush, Houston (IAH) C
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Airbus A319 (319)
United Airlines UA678
07:00
McAllen/Mission (MFE)

08:18
George Bush, Houston (IAH) C
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:18, non-stop
Boeing 737-900 (739)
United Airlines UA678
07:15
McAllen/Mission (MFE)

08:23
George Bush, Houston (IAH) C
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:08, non-stop
Boeing 737-800 (738)
United Airlines UA678
09:51
George Bush, Houston (IAH) C

14:29
New York LaGuardia (LGA) B
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:38, non-stop
Boeing 737-800 (738)
United Airlines UA678
09:51
George Bush, Houston (IAH) C

14:29
New York LaGuardia (LGA) B
Effective 2025-06-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:38, non-stop
Boeing 737-800 (738)
United Airlines UA678
09:52
George Bush, Houston (IAH) C

14:29
New York LaGuardia (LGA) B
Valid until 2025-05-07
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:37, non-stop
Boeing 737-800 (738)
United Airlines UA678
09:52
George Bush, Houston (IAH) C

14:29
New York LaGuardia (LGA) B
Effective 2025-05-04 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 3:37, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA678
09:52
George Bush, Houston (IAH) C

14:29
New York LaGuardia (LGA) B
Effective 2025-05-09 through 2025-05-21
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:37, non-stop
Boeing 737-800 (738)
United Airlines UA678
09:56
George Bush, Houston (IAH) C

14:28
New York LaGuardia (LGA) B
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:32, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA678
10:15
George Bush, Houston (IAH) C

14:40
New York LaGuardia (LGA) B
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA678
10:15
George Bush, Houston (IAH) C

14:40
New York LaGuardia (LGA) B
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Boeing 737-800 (738)
United Airlines UA678
16:25
New York LaGuardia (LGA) B

18:05
Chicago O'Hare (ORD) 1
Effective 2025-05-22 through 2025-06-03
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA678
16:25
New York LaGuardia (LGA) B

18:05
Chicago O'Hare (ORD) 1
Effective 2025-05-24 through 2025-06-01
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 2:40, non-stop
Boeing 737-800 (738)
United Airlines UA678
16:25
New York LaGuardia (LGA) B

18:05
Chicago O'Hare (ORD) 1
Effective 2025-06-04 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA678
16:25
New York LaGuardia (LGA) B

18:05
Chicago O'Hare (ORD) 1
Effective 2025-06-08 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA678
07:00
McAllen/Mission (MFE)

14:29
New York LaGuardia (LGA) B
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:29, 1-stop
Boeing 737-900 (739)
United Airlines UA678
07:00
Dallas Fort Worth (DFW) E

14:29
New York LaGuardia (LGA) B
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:29, 1-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA678
07:00
McAllen/Mission (MFE)

14:29
New York LaGuardia (LGA) B
Effective 2025-06-26 through 2025-07-04
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:29, 1-stop
Boeing 737-800 (738)
United Airlines UA678
07:00
McAllen/Mission (MFE)

14:29
New York LaGuardia (LGA) B
Effective 2025-06-30 through 2025-07-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:29, 1-stop
Boeing 737-900 (739)
United Airlines UA678
07:00
McAllen/Mission (MFE)

14:29
New York LaGuardia (LGA) B
Effective 2025-07-07 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:29, 1-stop
Boeing 737-800 (738)
United Airlines UA678
07:00
McAllen/Mission (MFE)

14:40
New York LaGuardia (LGA) B
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:40, 1-stop
Airbus A319 (319)
United Airlines UA678
07:00
McAllen/Mission (MFE)

14:28
New York LaGuardia (LGA) B
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:28, 1-stop
Boeing 737-900 (739)
United Airlines UA678
07:15
McAllen/Mission (MFE)

14:40
New York LaGuardia (LGA) B
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:25, 1-stop
Boeing 737-800 (738)
United Airlines UA678
09:51
George Bush, Houston (IAH) C

18:05
Chicago O'Hare (ORD) 1
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 8:14, 1-stop
Boeing 737-800 (738)
United Airlines UA678
09:51
George Bush, Houston (IAH) C

18:05
Chicago O'Hare (ORD) 1
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 8:14, 1-stop
Boeing 737-800 (738)
United Airlines UA678
07:00
Dallas Fort Worth (DFW) E

18:05
Chicago O'Hare (ORD) 1
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 11:05, 2-stop
Boeing 737 MAX 9 (7M9)
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This flight number is listed as serving the following routes:
  • Dallas Fort Worth (DFW) - Chicago O'Hare (ORD)
  • Dallas Fort Worth (DFW) - George Bush, Houston (IAH)
  • Dallas Fort Worth (DFW) - New York LaGuardia (LGA)
  • George Bush, Houston (IAH) - Chicago O'Hare (ORD)
  • George Bush, Houston (IAH) - New York LaGuardia (LGA)
  • McAllen/Mission (MFE) - George Bush, Houston (IAH)
  • McAllen/Mission (MFE) - New York LaGuardia (LGA)
  • New York LaGuardia (LGA) - Chicago O'Hare (ORD)
All United Airlines flights
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