United Airlines flight UA 1504: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue 09:00 Las Vegas Harry Reid (LAS) 3 14:45 Chicago O'Hare (ORD) 1
UA 1504 Non-stop Boeing 737 MAX 9 (7M9) 3:45 Effective 2026-02-17 through 2026-03-03
Wed 09:00 Las Vegas Harry Reid (LAS) 3 14:45 Chicago O'Hare (ORD) 1
UA 1504 Non-stop Boeing 737-900 (739) 3:45 Effective 2026-02-25 through 2026-03-04
Mon,Thu,Sun 09:19 Las Vegas Harry Reid (LAS) 3 15:04 Chicago O'Hare (ORD) 1
UA 1504 Non-stop Boeing 737-900 (739) 3:45 Effective 2026-02-12 through 2026-03-02
Fri 09:19 Las Vegas Harry Reid (LAS) 3 15:04 Chicago O'Hare (ORD) 1
UA 1504 Non-stop Boeing 737-800 (738) 3:45 Effective 2026-02-13 through 2026-02-27
Sat 14:45 San Jose (SJC) A 18:24 Denver (DEN)
UA 1504 Non-stop Boeing 737 MAX 9 (7M9) 2:39 Operates only on 2026-01-10
Daily 15:00 New York LaGuardia (LGA) B 16:34 Chicago O'Hare (ORD) 1
UA 1504 Non-stop Boeing 737-800 (738) 2:34 Effective from 2026-03-29
Mon-Fri,Sun 15:20 New York LaGuardia (LGA) B 17:08 Chicago O'Hare (ORD) 1
UA 1504 Non-stop Boeing 737-800 (738) 2:48 Effective 2026-01-04 through 2026-02-11
Daily 15:20 New York LaGuardia (LGA) B 17:05 Chicago O'Hare (ORD) 1
UA 1504 Non-stop Boeing 737-800 (738) 2:45 Effective 2026-03-05 through 2026-03-28
Daily 18:00 West Palm Beach (PBI) 20:25 Chicago O'Hare (ORD) 1
UA 1504 Non-stop Boeing 737-800 (738) 3:25 Valid until 2026-01-03
Mon,Thu,Fri,Sun 18:04 Chicago O'Hare (ORD) 1 22:20 Miami (MIA)
UA 1504 Non-stop Boeing 737-900 (739) 3:16 Effective 2026-02-12 through 2026-03-02
Daily 19:55 Chicago O'Hare (ORD) 1 22:00 Vail/Eagle (EGE)
UA 1504 Non-stop Boeing 737-700 (73G) 3:05 Effective 2026-03-29 through 2026-04-04
Mon,Thu,Fri,Sun 21:05 Chicago O'Hare (ORD) 1 23:19 Las Vegas Harry Reid (LAS) 3
UA 1504 Non-stop Boeing 737-900 (739) 4:14 Effective 2026-01-08 through 2026-01-16
Mon,Thu,Fri,Sun 21:05 Chicago O'Hare (ORD) 1 23:19 Las Vegas Harry Reid (LAS) 3
UA 1504 Non-stop Boeing 737-900 (739) 4:14 Effective 2026-01-19 through 2026-02-09
Non-Direct Flights:
Mon,Thu,Sun 09:19 Las Vegas Harry Reid (LAS) 3 22:20 Miami (MIA)
UA 1504 1-stop Boeing 737-900 (739) 10:01 Effective 2026-02-12 through 2026-03-02
Fri 09:19 Las Vegas Harry Reid (LAS) 3 22:20 Miami (MIA)
UA 1504 1-stop Boeing 737-800 (738) 10:01 Effective 2026-02-13 through 2026-02-27
Daily 15:00 New York LaGuardia (LGA) B 22:00 Vail/Eagle (EGE)
UA 1504 1-stop Boeing 737-800 (738) 9:00 Effective 2026-03-29 through 2026-04-04
Mon,Thu,Fri,Sun 15:20 New York LaGuardia (LGA) B 23:19 Las Vegas Harry Reid (LAS) 3
UA 1504 1-stop Boeing 737-800 (738) 10:59 Effective 2026-01-08 through 2026-01-16
Mon,Thu,Fri,Sun 15:20 New York LaGuardia (LGA) B 23:19 Las Vegas Harry Reid (LAS) 3
UA 1504 1-stop Boeing 737-800 (738) 10:59 Effective 2026-01-19 through 2026-02-09
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1504: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1504
09:00
Las Vegas Harry Reid (LAS) 3

14:45
Chicago O'Hare (ORD) 1
Effective 2026-02-17 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1504
09:00
Las Vegas Harry Reid (LAS) 3

14:45
Chicago O'Hare (ORD) 1
Effective 2026-02-25 through 2026-03-04
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1504
09:19
Las Vegas Harry Reid (LAS) 3

15:04
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1504
09:19
Las Vegas Harry Reid (LAS) 3

15:04
Chicago O'Hare (ORD) 1
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1504
14:45
San Jose (SJC) A

18:24
Denver (DEN)
Operates only on 2026-01-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:39, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1504
15:00
New York LaGuardia (LGA) B

16:34
Chicago O'Hare (ORD) 1
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:34, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1504
15:20
New York LaGuardia (LGA) B

17:08
Chicago O'Hare (ORD) 1
Effective 2026-01-04 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:48, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1504
15:20
New York LaGuardia (LGA) B

17:05
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:45, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1504
18:00
West Palm Beach (PBI)

20:25
Chicago O'Hare (ORD) 1
Valid until 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:25, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1504
18:04
Chicago O'Hare (ORD) 1

22:20
Miami (MIA)
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:16, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1504
19:55
Chicago O'Hare (ORD) 1

22:00
Vail/Eagle (EGE)
Effective 2026-03-29 through 2026-04-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1504
21:05
Chicago O'Hare (ORD) 1

23:19
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:14, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1504
21:05
Chicago O'Hare (ORD) 1

23:19
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:14, non-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1504
09:19
Las Vegas Harry Reid (LAS) 3

22:20
Miami (MIA)
Effective 2026-02-12 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 10:01, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1504
09:19
Las Vegas Harry Reid (LAS) 3

22:20
Miami (MIA)
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 10:01, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1504
15:00
New York LaGuardia (LGA) B

22:00
Vail/Eagle (EGE)
Effective 2026-03-29 through 2026-04-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:00, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1504
15:20
New York LaGuardia (LGA) B

23:19
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 10:59, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1504
15:20
New York LaGuardia (LGA) B

23:19
Las Vegas Harry Reid (LAS) 3
Effective 2026-01-19 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 10:59, 1-stop
Boeing 737-800 (738)
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Parallax here
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Las Vegas Harry Reid (LAS)
  • Chicago O'Hare (ORD) - Miami (MIA)
  • Chicago O'Hare (ORD) - Vail/Eagle (EGE)
  • Las Vegas Harry Reid (LAS) - Miami (MIA)
  • New York LaGuardia (LGA) - Chicago O'Hare (ORD)
  • New York LaGuardia (LGA) - Las Vegas Harry Reid (LAS)
  • New York LaGuardia (LGA) - Vail/Eagle (EGE)
  • San Jose (SJC) - Denver (DEN)
  • West Palm Beach (PBI) - Chicago O'Hare (ORD)
All United Airlines flights
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