United Airlines flight UA 2400: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:54 Houston George Bush (IAH) C 14:50 Boston Logan (BOS) B
UA 2400 Non-stop Boeing 737-700 (73G) 3:56 Effective 2026-04-30 through 2026-05-20
Daily 09:54 Houston George Bush (IAH) C 14:28 Boston Logan (BOS) B
UA 2400 Non-stop Boeing 737-800 (738) 3:34 Effective from 2026-05-21
Daily 17:50 Boston Logan (BOS) B 21:50 San Francisco (SFO) 3
UA 2400 Non-stop Boeing 757-200 (752) 7:00 Effective 2026-02-12 through 2026-03-28
Mon,Tue,Fri-Sun 17:57 Boston Logan (BOS) B 21:50 San Francisco (SFO) 3
UA 2400 Non-stop Boeing 757-200 (752) 6:53 Valid until 2026-01-05
Daily 18:00 Boston Logan (BOS) B 21:49 San Francisco (SFO) 3
UA 2400 Non-stop Boeing 737-900 (739) 6:49 Effective 2026-03-29 through 2026-04-29
Daily 18:00 Boston Logan (BOS) B 21:49 San Francisco (SFO) 3
UA 2400 Non-stop Boeing 737 MAX 9 (7M9) 6:49 Effective 2026-04-30 through 2026-05-20
Daily 18:00 Boston Logan (BOS) B 21:37 San Francisco (SFO) 3
UA 2400 Non-stop Boeing 737 MAX 9 (7M9) 6:37 Effective 2026-05-21 through 2026-08-10
Daily 18:00 Boston Logan (BOS) B 21:33 San Francisco (SFO) 3
UA 2400 Non-stop Boeing 737 MAX 9 (7M9) 6:33 Effective 2026-08-11 through 2026-09-23
Daily 18:00 Boston Logan (BOS) B 21:49 San Francisco (SFO) 3
UA 2400 Non-stop Boeing 757-200 (752) 6:49 Effective from 2026-09-24
Daily 22:59 San Francisco (SFO) 3 00:50 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737 MAX 8 (7M8) 1:51 Effective 2026-04-30 through 2026-05-20
The flight arrives 1 day after departure.
Mon-Fri,Sun 23:00 San Francisco (SFO) 3 00:43 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737 MAX 8 (7M8) 1:43 Effective 2026-02-12 through 2026-03-04
The flight arrives 1 day after departure.
Tue 23:10 San Francisco (SFO) 3 00:52 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737 MAX 8 (7M8) 1:42 Operates only on 2026-02-03
The flight arrives 1 day after departure.
Tue,Wed,Sun 23:15 San Francisco (SFO) 3 00:57 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737 MAX 8 (7M8) 1:42 Effective 2026-01-06 through 2026-01-14
The flight arrives 1 day after departure.
Mon,Thu,Fri 23:15 San Francisco (SFO) 3 00:57 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737-900 (739) 1:42 Effective 2026-01-08 through 2026-01-12
The flight arrives 1 day after departure.
Sat 23:15 San Francisco (SFO) 3 00:57 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737-800 (738) 1:42 Effective 2026-01-10 through 2026-02-07
The flight arrives 1 day after departure.
Tue-Thu,Sun 23:15 San Francisco (SFO) 3 00:57 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737 MAX 8 (7M8) 1:42 Effective 2026-01-15 through 2026-02-01
The flight arrives 1 day after departure.
Mon,Fri 23:15 San Francisco (SFO) 3 00:57 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737-900 (739) 1:42 Effective 2026-01-16 through 2026-02-09
The flight arrives 1 day after departure.
Tue-Thu,Sun 23:15 San Francisco (SFO) 3 00:57 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737 MAX 8 (7M8) 1:42 Effective 2026-02-04 through 2026-02-11
The flight arrives 1 day after departure.
Daily 23:15 San Francisco (SFO) 3 00:58 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737 MAX 8 (7M8) 1:43 Effective 2026-03-05 through 2026-03-28
The flight arrives 1 day after departure.
Daily 23:15 San Francisco (SFO) 3 01:06 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737 MAX 8 (7M8) 1:51 Effective 2026-03-29 through 2026-04-29
The flight arrives 1 day after departure.
Daily 23:15 San Francisco (SFO) 3 01:06 Las Vegas Harry Reid (LAS) 3
UA 2400 Non-stop Boeing 737 MAX 8 (7M8) 1:51 Effective from 2026-05-21
The flight arrives 1 day after departure.
Non-Direct Flights:
Daily 09:54 Houston George Bush (IAH) C 21:49 San Francisco (SFO) 3
UA 2400 1-stop Boeing 737-700 (73G) 13:55 Effective 2026-04-30 through 2026-05-20
Daily 09:54 Houston George Bush (IAH) C 21:37 San Francisco (SFO) 3
UA 2400 1-stop Boeing 737-800 (738) 13:43 Effective 2026-05-21 through 2026-08-10
Daily 09:54 Houston George Bush (IAH) C 21:33 San Francisco (SFO) 3
UA 2400 1-stop Boeing 737-800 (738) 13:39 Effective 2026-08-11 through 2026-09-23
Daily 09:54 Houston George Bush (IAH) C 21:49 San Francisco (SFO) 3
UA 2400 1-stop Boeing 737-800 (738) 13:55 Effective from 2026-09-24
Mon-Fri,Sun 17:50 Boston Logan (BOS) B 00:43 Las Vegas Harry Reid (LAS) 3
UA 2400 1-stop Boeing 757-200 (752) 9:53 Effective 2026-02-12 through 2026-03-04
The flight arrives 1 day after departure.
Daily 17:50 Boston Logan (BOS) B 00:58 Las Vegas Harry Reid (LAS) 3
UA 2400 1-stop Boeing 757-200 (752) 10:08 Effective 2026-03-05 through 2026-03-28
The flight arrives 1 day after departure.
Daily 18:00 Boston Logan (BOS) B 01:06 Las Vegas Harry Reid (LAS) 3
UA 2400 1-stop Boeing 737-900 (739) 10:06 Effective 2026-03-29 through 2026-04-29
The flight arrives 1 day after departure.
Daily 18:00 Boston Logan (BOS) B 00:50 Las Vegas Harry Reid (LAS) 3
UA 2400 1-stop Boeing 737 MAX 9 (7M9) 9:50 Effective 2026-04-30 through 2026-05-20
The flight arrives 1 day after departure.
Daily 18:00 Boston Logan (BOS) B 01:06 Las Vegas Harry Reid (LAS) 3
UA 2400 1-stop Boeing 737 MAX 9 (7M9) 10:06 Effective 2026-05-21 through 2026-08-10
The flight arrives 1 day after departure.
Daily 18:00 Boston Logan (BOS) B 01:06 Las Vegas Harry Reid (LAS) 3
UA 2400 1-stop Boeing 737 MAX 9 (7M9) 10:06 Effective 2026-08-11 through 2026-09-23
The flight arrives 1 day after departure.
Daily 18:00 Boston Logan (BOS) B 01:06 Las Vegas Harry Reid (LAS) 3
UA 2400 1-stop Boeing 757-200 (752) 10:06 Effective from 2026-09-24
The flight arrives 1 day after departure.
Daily 09:54 Houston George Bush (IAH) C 00:50 Las Vegas Harry Reid (LAS) 3
UA 2400 2-stop Boeing 737-700 (73G) 16:56 Effective 2026-04-30 through 2026-05-20
The flight arrives 1 day after departure.
Daily 09:54 Houston George Bush (IAH) C 01:06 Las Vegas Harry Reid (LAS) 3
UA 2400 2-stop Boeing 737-800 (738) 17:12 Effective 2026-05-21 through 2026-08-10
The flight arrives 1 day after departure.
Daily 09:54 Houston George Bush (IAH) C 01:06 Las Vegas Harry Reid (LAS) 3
UA 2400 2-stop Boeing 737-800 (738) 17:12 Effective 2026-08-11 through 2026-09-23
The flight arrives 1 day after departure.
Daily 09:54 Houston George Bush (IAH) C 01:06 Las Vegas Harry Reid (LAS) 3
UA 2400 2-stop Boeing 737-800 (738) 17:12 Effective from 2026-09-24
The flight arrives 1 day after departure.
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This flight number is listed as serving the following routes:


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United Airlines flight UA 2400: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

14:50
Boston Logan (BOS) B
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

14:28
Boston Logan (BOS) B
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2400
17:50
Boston Logan (BOS) B

21:50
San Francisco (SFO) 3
Effective 2026-02-12 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:00, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2400
17:57
Boston Logan (BOS) B

21:50
San Francisco (SFO) 3
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 6:53, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

21:49
San Francisco (SFO) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:49, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

21:49
San Francisco (SFO) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:49, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

21:37
San Francisco (SFO) 3
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:37, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

21:33
San Francisco (SFO) 3
Effective 2026-08-11 through 2026-09-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:33, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

21:49
San Francisco (SFO) 3
Effective from 2026-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:49, non-stop
Boeing 757-200 (752)
Direct Flights:
United Airlines UA2400
22:59
San Francisco (SFO) 3

00:50(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:00
San Francisco (SFO) 3

00:43(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:43, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:10
San Francisco (SFO) 3

00:52(+1)
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:15
San Francisco (SFO) 3

00:57(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-06 through 2026-01-14
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:42, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:15
San Francisco (SFO) 3

00:57(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-08 through 2026-01-12
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:15
San Francisco (SFO) 3

00:57(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:42, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:15
San Francisco (SFO) 3

00:57(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-15 through 2026-02-01
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:42, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:15
San Francisco (SFO) 3

00:57(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-16 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:42, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:15
San Francisco (SFO) 3

00:57(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-04 through 2026-02-11
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:42, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:15
San Francisco (SFO) 3

00:58(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:15
San Francisco (SFO) 3

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Flights:
United Airlines UA2400
23:15
San Francisco (SFO) 3

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:51, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

21:49
San Francisco (SFO) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:55, 1-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

21:37
San Francisco (SFO) 3
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:43, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

21:33
San Francisco (SFO) 3
Effective 2026-08-11 through 2026-09-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:39, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

21:49
San Francisco (SFO) 3
Effective from 2026-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 13:55, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2400
17:50
Boston Logan (BOS) B

00:43(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 9:53, 1-stop
Boeing 757-200 (752)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
17:50
Boston Logan (BOS) B

00:58(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:08, 1-stop
Boeing 757-200 (752)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:06, 1-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

00:50(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:50, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:06, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-08-11 through 2026-09-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:06, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
18:00
Boston Logan (BOS) B

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective from 2026-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:06, 1-stop
Boeing 757-200 (752)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

00:50(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 16:56, 2-stop
Boeing 737-700 (73G)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-05-21 through 2026-08-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:12, 2-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective 2026-08-11 through 2026-09-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:12, 2-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Non-Direct Flights:
United Airlines UA2400
09:54
Houston George Bush (IAH) C

01:06(+1)
Las Vegas Harry Reid (LAS) 3
Effective from 2026-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 17:12, 2-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here -
This flight number is listed as serving the following routes:
  • Boston Logan (BOS) - Las Vegas Harry Reid (LAS)
  • Boston Logan (BOS) - San Francisco (SFO)
  • Houston George Bush (IAH) - Boston Logan (BOS)
  • Houston George Bush (IAH) - Las Vegas Harry Reid (LAS)
  • Houston George Bush (IAH) - San Francisco (SFO)
  • San Francisco (SFO) - Las Vegas Harry Reid (LAS)
All United Airlines flights
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