United Airlines flight UA 2603: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 06:00 Newark Liberty, New York (EWR) A 07:38 Chicago O'Hare (ORD) 1
UA 2603 Non-stop Boeing 737-900 (739) 2:38 Effective 2025-05-22 through 2025-05-30
Sat 06:00 Newark Liberty, New York (EWR) C 07:38 Chicago O'Hare (ORD) 1
UA 2603 Non-stop Boeing 757-200 (752) 2:38 Effective 2025-05-24 through 2025-05-31
Sun 08:02 Denver (DEN) 09:53 San Francisco (SFO) 3
UA 2603 Non-stop Boeing 737 MAX 9 (7M9) 2:51 Effective 2025-06-01 through 2025-06-22
Mon-Sat 08:02 Denver (DEN) 09:45 San Francisco (SFO) 3
UA 2603 Non-stop Boeing 777 (777) 2:43 Effective 2025-06-02 through 2025-06-25
Mon-Fri 08:55 Chicago O'Hare (ORD) 1 12:15 New York LaGuardia (LGA) B
UA 2603 Non-stop Boeing 737-800 (738) 2:20 Effective 2025-05-22 through 2025-05-30
Thu 13:25 Los Angeles (LAX) 7 14:55 San Francisco (SFO) 3
UA 2603 Non-stop Boeing 737-900 (739) 1:30 Operates only on 2025-05-01
Mon-Fri 13:25 Los Angeles (LAX) 7 14:55 San Francisco (SFO) 3
UA 2603 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2025-05-02 through 2025-05-21
Sat 13:25 Los Angeles (LAX) 7 14:55 San Francisco (SFO) 3
UA 2603 Non-stop Airbus A319 (319) 1:30 Effective 2025-05-03 through 2025-05-17
Sun 13:25 Los Angeles (LAX) 7 14:55 San Francisco (SFO) 3
UA 2603 Non-stop Airbus A320 (320) 1:30 Effective 2025-05-04 through 2025-05-18
Mon-Fri,Sun 13:55 Denver (DEN) 19:46 New York LaGuardia (LGA) B
UA 2603 Non-stop Boeing 737 MAX 8 (7M8) 3:51 Effective 2025-06-26 through 2025-08-18
Sat 13:55 Denver (DEN) 19:46 New York LaGuardia (LGA) B
UA 2603 Non-stop Boeing 737-800 (738) 3:51 Effective 2025-06-28 through 2025-08-16
Mon-Fri,Sun 16:10 San Francisco (SFO) 3 18:30 Seattle-Tacoma (SEA)
UA 2603 Non-stop Boeing 737-800 (738) 2:20 Valid until 2025-05-21
Sat 16:12 San Francisco (SFO) 3 17:32 Ontario, Los Angeles (ONT) 2
UA 2603 Non-stop Airbus A320 (320) 1:20 Effective 2025-09-27 through 2025-10-11
Sat 19:24 Los Angeles (LAX) 7 00:45 George Bush, Houston (IAH) C
UA 2603 Non-stop Boeing 737 MAX 9 (7M9) 3:21 Operates only on 2025-10-25
The flight arrives 1 day after departure.
Daily 20:20 Denver (DEN) 21:45 Santa Ana (SNA)
UA 2603 Non-stop Boeing 737-800 (738) 2:25 Effective from 2025-10-26
Mon-Fri,Sun 20:47 Denver (DEN) 22:12 Santa Ana (SNA)
UA 2603 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-09-25 through 2025-10-24
Daily 20:50 Denver (DEN) 22:15 Santa Ana (SNA)
UA 2603 Non-stop Boeing 737 MAX 8 (7M8) 2:25 Effective 2025-08-19 through 2025-09-24
Mon-Fri,Sun 21:30 New York LaGuardia (LGA) B 23:09 Chicago O'Hare (ORD) 1
UA 2603 Non-stop Boeing 737-800 (738) 2:39 Effective 2025-08-01 through 2025-08-18
Non-Direct Flights:
Mon-Fri 06:00 Newark Liberty, New York (EWR) A 12:15 New York LaGuardia (LGA) B
UA 2603 1-stop Boeing 737-900 (739) 6:15 Effective 2025-05-22 through 2025-05-30
Thu 13:25 Los Angeles (LAX) 7 18:30 Seattle-Tacoma (SEA)
UA 2603 1-stop Boeing 737-900 (739) 5:05 Operates only on 2025-05-01
Mon-Fri 13:25 Los Angeles (LAX) 7 18:30 Seattle-Tacoma (SEA)
UA 2603 1-stop Boeing 737 MAX 8 (7M8) 5:05 Effective 2025-05-02 through 2025-05-21
Sun 13:25 Los Angeles (LAX) 7 18:30 Seattle-Tacoma (SEA)
UA 2603 1-stop Airbus A320 (320) 5:05 Effective 2025-05-04 through 2025-05-18
Mon-Fri,Sun 13:55 Denver (DEN) 23:09 Chicago O'Hare (ORD) 1
UA 2603 1-stop Boeing 737 MAX 8 (7M8) 8:14 Effective 2025-08-01 through 2025-08-18
This flight number is listed as serving the following routes:


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United Airlines flight UA 2603: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2603
06:00
Newark Liberty, New York (EWR) A

07:38
Chicago O'Hare (ORD) 1
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:38, non-stop
Boeing 737-900 (739)
United Airlines UA2603
06:00
Newark Liberty, New York (EWR) C

07:38
Chicago O'Hare (ORD) 1
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:38, non-stop
Boeing 757-200 (752)
United Airlines UA2603
08:02
Denver (DEN)

09:53
San Francisco (SFO) 3
Effective 2025-06-01 through 2025-06-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:51, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA2603
08:02
Denver (DEN)

09:45
San Francisco (SFO) 3
Effective 2025-06-02 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:43, non-stop
Boeing 777 (777)
United Airlines UA2603
08:55
Chicago O'Hare (ORD) 1

12:15
New York LaGuardia (LGA) B
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:20, non-stop
Boeing 737-800 (738)
United Airlines UA2603
13:25
Los Angeles (LAX) 7

14:55
San Francisco (SFO) 3
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737-900 (739)
United Airlines UA2603
13:25
Los Angeles (LAX) 7

14:55
San Francisco (SFO) 3
Effective 2025-05-02 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA2603
13:25
Los Angeles (LAX) 7

14:55
San Francisco (SFO) 3
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Airbus A319 (319)
United Airlines UA2603
13:25
Los Angeles (LAX) 7

14:55
San Francisco (SFO) 3
Effective 2025-05-04 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Airbus A320 (320)
United Airlines UA2603
13:55
Denver (DEN)

19:46
New York LaGuardia (LGA) B
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:51, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA2603
13:55
Denver (DEN)

19:46
New York LaGuardia (LGA) B
Effective 2025-06-28 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:51, non-stop
Boeing 737-800 (738)
United Airlines UA2603
16:10
San Francisco (SFO) 3

18:30
Seattle-Tacoma (SEA)
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:20, non-stop
Boeing 737-800 (738)
United Airlines UA2603
16:12
San Francisco (SFO) 3

17:32
Ontario, Los Angeles (ONT) 2
Effective 2025-09-27 through 2025-10-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:20, non-stop
Airbus A320 (320)
United Airlines UA2603
19:24
Los Angeles (LAX) 7

00:45(+1)
George Bush, Houston (IAH) C
Operates only on 2025-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:21, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.
United Airlines UA2603
20:20
Denver (DEN)

21:45
Santa Ana (SNA)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:25, non-stop
Boeing 737-800 (738)
United Airlines UA2603
20:47
Denver (DEN)

22:12
Santa Ana (SNA)
Effective 2025-09-25 through 2025-10-24
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA2603
20:50
Denver (DEN)

22:15
Santa Ana (SNA)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:25, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA2603
21:30
New York LaGuardia (LGA) B

23:09
Chicago O'Hare (ORD) 1
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:39, non-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA2603
06:00
Newark Liberty, New York (EWR) A

12:15
New York LaGuardia (LGA) B
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:15, 1-stop
Boeing 737-900 (739)
United Airlines UA2603
13:25
Los Angeles (LAX) 7

18:30
Seattle-Tacoma (SEA)
Operates only on 2025-05-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:05, 1-stop
Boeing 737-900 (739)
United Airlines UA2603
13:25
Los Angeles (LAX) 7

18:30
Seattle-Tacoma (SEA)
Effective 2025-05-02 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:05, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA2603
13:25
Los Angeles (LAX) 7

18:30
Seattle-Tacoma (SEA)
Effective 2025-05-04 through 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:05, 1-stop
Airbus A320 (320)
United Airlines UA2603
13:55
Denver (DEN)

23:09
Chicago O'Hare (ORD) 1
Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 8:14, 1-stop
Boeing 737 MAX 8 (7M8)
This flight number is listed as serving the following routes:
  • Denver (DEN) - Chicago O'Hare (ORD)
  • Denver (DEN) - New York LaGuardia (LGA)
  • Denver (DEN) - San Francisco (SFO)
  • Denver (DEN) - Santa Ana (SNA)
  • Los Angeles (LAX) - George Bush, Houston (IAH)
  • Los Angeles (LAX) - San Francisco (SFO)
  • Los Angeles (LAX) - Seattle-Tacoma (SEA)
  • New York LaGuardia (LGA) - Chicago O'Hare (ORD)
  • Newark Liberty, New York (EWR) - Chicago O'Hare (ORD)
  • Newark Liberty, New York (EWR) - New York LaGuardia (LGA)
  • San Francisco (SFO) - Ontario, Los Angeles (ONT)
  • San Francisco (SFO) - Seattle-Tacoma (SEA)
All United Airlines flights
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