United Airlines flight UA 1252: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 Chicago O'Hare (ORD) 1 09:57 Ronald Reagan Washington (DCA) 2
UA 1252 Non-stop Airbus A319 (319) 1:57 Effective 2025-08-01 through 2025-08-18
Daily 08:27 Madison (MSN) 10:02 Denver (DEN)
UA 1252 Non-stop Boeing 737-900 (739) 2:35 Valid until 2025-05-21
Daily 08:55 San Antonio (SAT) B 10:19 Denver (DEN)
UA 1252 Non-stop Boeing 737-800 (738) 2:24 Effective 2025-08-19 through 2025-09-24
Daily 08:55 San Antonio (SAT) B 10:19 Denver (DEN)
UA 1252 Non-stop Boeing 737-800 (738) 2:24 Effective from 2025-10-26
Daily 09:00 San Antonio (SAT) B 10:18 Denver (DEN)
UA 1252 Non-stop Boeing 737-800 (738) 2:18 Effective 2025-09-25 through 2025-10-25
Thu 10:10 Philadelphia (PHL) D 12:17 Denver (DEN)
UA 1252 Non-stop Boeing 737-800 (738) 4:07 Operates only on 2025-05-22
Mon-Sat 10:10 Philadelphia (PHL) D 12:17 Denver (DEN)
UA 1252 Non-stop Airbus A320 (320) 4:07 Effective 2025-05-23 through 2025-05-31
Daily 10:10 Philadelphia (PHL) D 12:17 Denver (DEN)
UA 1252 Non-stop Airbus A320 (320) 4:07 Effective 2025-06-01 through 2025-06-25
Daily 11:05 Ronald Reagan Washington (DCA) 2 13:20 George Bush, Houston (IAH) C
UA 1252 Non-stop Airbus A319 (319) 3:15 Effective 2025-08-01 through 2025-08-18
Mon,Wed-Sun 13:25 Denver (DEN) 14:58 Los Angeles (LAX) 7
UA 1252 Non-stop Boeing 737-900 (739) 2:33 Effective 2025-05-22 through 2025-06-02
Tue 13:25 Denver (DEN) 14:58 Los Angeles (LAX) 7
UA 1252 Non-stop Airbus A321neo (32Q) 2:33 Operates only on 2025-05-27
Daily 13:25 Denver (DEN) 14:58 Los Angeles (LAX) 7
UA 1252 Non-stop Boeing 737-900 (739) 2:33 Effective 2025-06-03 through 2025-06-25
Daily 13:25 Denver (DEN) 14:54 Los Angeles (LAX) 7
UA 1252 Non-stop Boeing 737-900 (739) 2:29 Effective 2025-09-25 through 2025-10-25
Daily 13:29 Denver (DEN) 14:53 Los Angeles (LAX) 7
UA 1252 Non-stop Boeing 737-900 (739) 2:24 Effective 2025-08-19 through 2025-09-24
Daily 13:29 Denver (DEN) 14:53 Los Angeles (LAX) 7
UA 1252 Non-stop Boeing 737-900 (739) 2:24 Effective from 2025-10-26
Daily 13:30 Denver (DEN) 15:05 Los Angeles (LAX) 7
UA 1252 Non-stop Boeing 737-900 (739) 2:35 Valid until 2025-05-10
Sun 13:30 Denver (DEN) 15:05 Los Angeles (LAX) 7
UA 1252 Non-stop Boeing 737-800 (738) 2:35 Effective 2025-05-11 through 2025-05-18
Mon-Sat 13:30 Denver (DEN) 15:05 Los Angeles (LAX) 7
UA 1252 Non-stop Boeing 737-900 (739) 2:35 Effective 2025-05-12 through 2025-05-21
Fri 16:28 Los Angeles (LAX) 7 17:49 Las Vegas Harry Reid (LAS) 3
UA 1252 Non-stop Boeing 737-800 (738) 1:21 Effective 2025-05-02 through 2025-05-16
Mon-Thu,Sat,Sun 16:30 Los Angeles (LAX) 7 17:51 Las Vegas Harry Reid (LAS) 3
UA 1252 Non-stop Boeing 737-800 (738) 1:21 Valid until 2025-05-21
Mon-Fri,Sun 18:59 Indianapolis (IND) 19:51 Denver (DEN)
UA 1252 Non-stop Boeing 737-800 (738) 2:52 Effective 2025-06-26 through 2025-07-03
Mon-Fri,Sun 18:59 Indianapolis (IND) 19:51 Denver (DEN)
UA 1252 Non-stop Boeing 737-800 (738) 2:52 Effective 2025-07-06 through 2025-07-31
Fri,Sat 19:30 Denver (DEN) 20:59 Albuquerque (ABQ)
UA 1252 Non-stop Boeing 737-900 (739) 1:29 Effective 2025-07-04 through 2025-07-05
Daily 20:37 Denver (DEN) 22:00 Albuquerque (ABQ)
UA 1252 Non-stop Boeing 737-900 (739) 1:23 Effective 2025-06-26 through 2025-07-03
Daily 20:37 Denver (DEN) 22:00 Albuquerque (ABQ)
UA 1252 Non-stop Boeing 737-900 (739) 1:23 Effective 2025-07-06 through 2025-07-31
Non-Direct Flights:
Daily 07:00 Chicago O'Hare (ORD) 1 13:20 George Bush, Houston (IAH) C
UA 1252 1-stop Airbus A319 (319) 6:20 Effective 2025-08-01 through 2025-08-18
Daily 08:27 Madison (MSN) 15:05 Los Angeles (LAX) 7
UA 1252 1-stop Boeing 737-900 (739) 8:38 Valid until 2025-05-21
Daily 08:55 San Antonio (SAT) B 14:53 Los Angeles (LAX) 7
UA 1252 1-stop Boeing 737-800 (738) 7:58 Effective 2025-08-19 through 2025-09-24
Daily 08:55 San Antonio (SAT) B 14:53 Los Angeles (LAX) 7
UA 1252 1-stop Boeing 737-800 (738) 7:58 Effective from 2025-10-26
Daily 09:00 San Antonio (SAT) B 14:54 Los Angeles (LAX) 7
UA 1252 1-stop Boeing 737-800 (738) 7:54 Effective 2025-09-25 through 2025-10-25
Thu 10:10 Philadelphia (PHL) D 14:58 Los Angeles (LAX) 7
UA 1252 1-stop Boeing 737-800 (738) 7:48 Operates only on 2025-05-22
Mon-Sat 10:10 Philadelphia (PHL) D 14:58 Los Angeles (LAX) 7
UA 1252 1-stop Airbus A320 (320) 7:48 Effective 2025-05-23 through 2025-05-31
Daily 10:10 Philadelphia (PHL) D 14:58 Los Angeles (LAX) 7
UA 1252 1-stop Airbus A320 (320) 7:48 Effective 2025-06-01 through 2025-06-25
Mon-Thu,Sat,Sun 13:30 Denver (DEN) 17:51 Las Vegas Harry Reid (LAS) 3
UA 1252 1-stop Boeing 737-900 (739) 5:21 Valid until 2025-05-10
Fri 13:30 Denver (DEN) 17:49 Las Vegas Harry Reid (LAS) 3
UA 1252 1-stop Boeing 737-900 (739) 5:19 Effective 2025-05-02 through 2025-05-16
Sun 13:30 Denver (DEN) 17:51 Las Vegas Harry Reid (LAS) 3
UA 1252 1-stop Boeing 737-800 (738) 5:21 Effective 2025-05-11 through 2025-05-18
Mon-Thu,Sat 13:30 Denver (DEN) 17:51 Las Vegas Harry Reid (LAS) 3
UA 1252 1-stop Boeing 737-900 (739) 5:21 Effective 2025-05-12 through 2025-05-21
Mon-Fri,Sun 18:59 Indianapolis (IND) 22:00 Albuquerque (ABQ)
UA 1252 1-stop Boeing 737-800 (738) 5:01 Effective 2025-06-26 through 2025-07-03
Mon-Fri,Sun 18:59 Indianapolis (IND) 22:00 Albuquerque (ABQ)
UA 1252 1-stop Boeing 737-800 (738) 5:01 Effective 2025-07-06 through 2025-07-31
Mon-Thu,Sat,Sun 08:27 Madison (MSN) 17:51 Las Vegas Harry Reid (LAS) 3
UA 1252 2-stop Boeing 737-900 (739) 11:24 Valid until 2025-05-21
Fri 08:27 Madison (MSN) 17:49 Las Vegas Harry Reid (LAS) 3
UA 1252 2-stop Boeing 737-900 (739) 11:22 Effective 2025-05-02 through 2025-05-16
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1252: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1252
07:00
Chicago O'Hare (ORD) 1

09:57
Ronald Reagan Washington (DCA) 2
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:57, non-stop
Airbus A319 (319)
United Airlines UA1252
08:27
Madison (MSN)

10:02
Denver (DEN)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Boeing 737-900 (739)
United Airlines UA1252
08:55
San Antonio (SAT) B

10:19
Denver (DEN)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:24, non-stop
Boeing 737-800 (738)
United Airlines UA1252
08:55
San Antonio (SAT) B

10:19
Denver (DEN)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:24, non-stop
Boeing 737-800 (738)
United Airlines UA1252
09:00
San Antonio (SAT) B

10:18
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:18, non-stop
Boeing 737-800 (738)
United Airlines UA1252
10:10
Philadelphia (PHL) D

12:17
Denver (DEN)
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:07, non-stop
Boeing 737-800 (738)
United Airlines UA1252
10:10
Philadelphia (PHL) D

12:17
Denver (DEN)
Effective 2025-05-23 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 4:07, non-stop
Airbus A320 (320)
United Airlines UA1252
10:10
Philadelphia (PHL) D

12:17
Denver (DEN)
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:07, non-stop
Airbus A320 (320)
United Airlines UA1252
11:05
Ronald Reagan Washington (DCA) 2

13:20
George Bush, Houston (IAH) C
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Airbus A319 (319)
United Airlines UA1252
13:25
Denver (DEN)

14:58
Los Angeles (LAX) 7
Effective 2025-05-22 through 2025-06-02
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Boeing 737-900 (739)
United Airlines UA1252
13:25
Denver (DEN)

14:58
Los Angeles (LAX) 7
Operates only on 2025-05-27
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:33, non-stop
Airbus A321neo (32Q)
United Airlines UA1252
13:25
Denver (DEN)

14:58
Los Angeles (LAX) 7
Effective 2025-06-03 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:33, non-stop
Boeing 737-900 (739)
United Airlines UA1252
13:25
Denver (DEN)

14:54
Los Angeles (LAX) 7
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:29, non-stop
Boeing 737-900 (739)
United Airlines UA1252
13:29
Denver (DEN)

14:53
Los Angeles (LAX) 7
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:24, non-stop
Boeing 737-900 (739)
United Airlines UA1252
13:29
Denver (DEN)

14:53
Los Angeles (LAX) 7
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:24, non-stop
Boeing 737-900 (739)
United Airlines UA1252
13:30
Denver (DEN)

15:05
Los Angeles (LAX) 7
Valid until 2025-05-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Boeing 737-900 (739)
United Airlines UA1252
13:30
Denver (DEN)

15:05
Los Angeles (LAX) 7
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:35, non-stop
Boeing 737-800 (738)
United Airlines UA1252
13:30
Denver (DEN)

15:05
Los Angeles (LAX) 7
Effective 2025-05-12 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:35, non-stop
Boeing 737-900 (739)
United Airlines UA1252
16:28
Los Angeles (LAX) 7

17:49
Las Vegas Harry Reid (LAS) 3
Effective 2025-05-02 through 2025-05-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:21, non-stop
Boeing 737-800 (738)
United Airlines UA1252
16:30
Los Angeles (LAX) 7

17:51
Las Vegas Harry Reid (LAS) 3
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 1:21, non-stop
Boeing 737-800 (738)
United Airlines UA1252
18:59
Indianapolis (IND)

19:51
Denver (DEN)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:52, non-stop
Boeing 737-800 (738)
United Airlines UA1252
18:59
Indianapolis (IND)

19:51
Denver (DEN)
Effective 2025-07-06 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:52, non-stop
Boeing 737-800 (738)
United Airlines UA1252
19:30
Denver (DEN)

20:59
Albuquerque (ABQ)
Effective 2025-07-04 through 2025-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:29, non-stop
Boeing 737-900 (739)
United Airlines UA1252
20:37
Denver (DEN)

22:00
Albuquerque (ABQ)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Boeing 737-900 (739)
United Airlines UA1252
20:37
Denver (DEN)

22:00
Albuquerque (ABQ)
Effective 2025-07-06 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:23, non-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1252
07:00
Chicago O'Hare (ORD) 1

13:20
George Bush, Houston (IAH) C
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:20, 1-stop
Airbus A319 (319)
United Airlines UA1252
08:27
Madison (MSN)

15:05
Los Angeles (LAX) 7
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:38, 1-stop
Boeing 737-900 (739)
United Airlines UA1252
08:55
San Antonio (SAT) B

14:53
Los Angeles (LAX) 7
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:58, 1-stop
Boeing 737-800 (738)
United Airlines UA1252
08:55
San Antonio (SAT) B

14:53
Los Angeles (LAX) 7
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:58, 1-stop
Boeing 737-800 (738)
United Airlines UA1252
09:00
San Antonio (SAT) B

14:54
Los Angeles (LAX) 7
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:54, 1-stop
Boeing 737-800 (738)
United Airlines UA1252
10:10
Philadelphia (PHL) D

14:58
Los Angeles (LAX) 7
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 7:48, 1-stop
Boeing 737-800 (738)
United Airlines UA1252
10:10
Philadelphia (PHL) D

14:58
Los Angeles (LAX) 7
Effective 2025-05-23 through 2025-05-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 7:48, 1-stop
Airbus A320 (320)
United Airlines UA1252
10:10
Philadelphia (PHL) D

14:58
Los Angeles (LAX) 7
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:48, 1-stop
Airbus A320 (320)
United Airlines UA1252
13:30
Denver (DEN)

17:51
Las Vegas Harry Reid (LAS) 3
Valid until 2025-05-10
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 5:21, 1-stop
Boeing 737-900 (739)
United Airlines UA1252
13:30
Denver (DEN)

17:49
Las Vegas Harry Reid (LAS) 3
Effective 2025-05-02 through 2025-05-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:19, 1-stop
Boeing 737-900 (739)
United Airlines UA1252
13:30
Denver (DEN)

17:51
Las Vegas Harry Reid (LAS) 3
Effective 2025-05-11 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:21, 1-stop
Boeing 737-800 (738)
United Airlines UA1252
13:30
Denver (DEN)

17:51
Las Vegas Harry Reid (LAS) 3
Effective 2025-05-12 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 5:21, 1-stop
Boeing 737-900 (739)
United Airlines UA1252
18:59
Indianapolis (IND)

22:00
Albuquerque (ABQ)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:01, 1-stop
Boeing 737-800 (738)
United Airlines UA1252
18:59
Indianapolis (IND)

22:00
Albuquerque (ABQ)
Effective 2025-07-06 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:01, 1-stop
Boeing 737-800 (738)
United Airlines UA1252
08:27
Madison (MSN)

17:51
Las Vegas Harry Reid (LAS) 3
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 11:24, 2-stop
Boeing 737-900 (739)
United Airlines UA1252
08:27
Madison (MSN)

17:49
Las Vegas Harry Reid (LAS) 3
Effective 2025-05-02 through 2025-05-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 11:22, 2-stop
Boeing 737-900 (739)
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Parallax here
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - George Bush, Houston (IAH)
  • Chicago O'Hare (ORD) - Ronald Reagan Washington (DCA)
  • Denver (DEN) - Albuquerque (ABQ)
  • Denver (DEN) - Las Vegas Harry Reid (LAS)
  • Denver (DEN) - Los Angeles (LAX)
  • Indianapolis (IND) - Albuquerque (ABQ)
  • Indianapolis (IND) - Denver (DEN)
  • Los Angeles (LAX) - Las Vegas Harry Reid (LAS)
  • Madison (MSN) - Denver (DEN)
  • Madison (MSN) - Las Vegas Harry Reid (LAS)
  • Madison (MSN) - Los Angeles (LAX)
  • Philadelphia (PHL) - Denver (DEN)
  • Philadelphia (PHL) - Los Angeles (LAX)
  • Ronald Reagan Washington (DCA) - George Bush, Houston (IAH)
  • San Antonio (SAT) - Denver (DEN)
  • San Antonio (SAT) - Los Angeles (LAX)
All United Airlines flights
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