United Airlines flight UA 503: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Mon-Sat 10:00 Minneapolis/Saint Paul (MSP) 1 11:37 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737 MAX 8 (7M8) 1:37 Valid until 2025-05-10
Sun 10:00 Minneapolis/Saint Paul (MSP) 1 11:37 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737-700 (73G) 1:37 Operates only on 2025-05-04
Daily 10:00 Minneapolis/Saint Paul (MSP) 1 11:37 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737 MAX 8 (7M8) 1:37 Effective 2025-05-11 through 2025-05-21
Sun 10:00 Minneapolis/Saint Paul (MSP) 1 11:38 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737-900 (739) 1:38 Effective 2025-06-29 through 2025-08-17
Daily 10:00 Minneapolis/Saint Paul (MSP) 1 11:44 Chicago O'Hare (ORD) 1
UA 503 Non-stop Airbus A320 (320) 1:44 Effective 2025-09-25 through 2025-10-25
Daily 10:01 Minneapolis/Saint Paul (MSP) 1 11:44 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737-800 (738) 1:43 Effective 2025-08-19 through 2025-09-24
Mon-Fri,Sun 10:05 Minneapolis/Saint Paul (MSP) 1 11:43 Chicago O'Hare (ORD) 1
UA 503 Non-stop Airbus A320 (320) 1:38 Effective 2025-05-22 through 2025-06-25
Sat 10:05 Minneapolis/Saint Paul (MSP) 1 11:43 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737-700 (73G) 1:38 Effective 2025-05-24 through 2025-05-31
Mon-Thu 10:05 Minneapolis/Saint Paul (MSP) 1 11:43 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737-800 (738) 1:38 Effective 2025-06-26 through 2025-08-18
Fri 10:05 Minneapolis/Saint Paul (MSP) 1 11:42 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737-800 (738) 1:37 Effective 2025-06-27 through 2025-08-15
Daily 10:15 Minneapolis/Saint Paul (MSP) 1 11:53 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737-800 (738) 1:38 Effective 2025-10-26 through 2025-12-17
Daily 10:15 Minneapolis/Saint Paul (MSP) 1 11:53 Chicago O'Hare (ORD) 1
UA 503 Non-stop Boeing 737-800 (738) 1:38 Effective from 2026-01-06
Daily 13:58 Chicago O'Hare (ORD) 1 15:39 Denver (DEN)
UA 503 Non-stop Boeing 737-900 (739) 2:41 Effective 2025-08-19 through 2025-09-24
Daily 14:16 Chicago O'Hare (ORD) 1 16:02 Denver (DEN)
UA 503 Non-stop Airbus A321neo (32Q) 2:46 Effective 2025-09-25 through 2025-10-25
Daily 14:18 Chicago O'Hare (ORD) 1 15:56 Denver (DEN)
UA 503 Non-stop Boeing 737-900 (739) 2:38 Effective from 2025-10-26
Daily 14:30 Chicago O'Hare (ORD) 1 18:21 Tampa (TPA)
UA 503 Non-stop Boeing 737 MAX 8 (7M8) 2:51 Valid until 2025-05-21
Mon,Tue,Thu-Sun 14:33 Chicago O'Hare (ORD) 1 16:26 Denver (DEN)
UA 503 Non-stop Airbus A321neo (32Q) 2:53 Effective 2025-05-22 through 2025-06-03
Wed 14:33 Chicago O'Hare (ORD) 1 16:25 Denver (DEN)
UA 503 Non-stop Boeing 757-300 (753) 2:52 Operates only on 2025-05-28
Daily 14:33 Chicago O'Hare (ORD) 1 16:26 Denver (DEN)
UA 503 Non-stop Airbus A321neo (32Q) 2:53 Effective 2025-06-04 through 2025-06-24
Wed 14:33 Chicago O'Hare (ORD) 1 16:26 Denver (DEN)
UA 503 Non-stop Boeing 737 MAX 9 (7M9) 2:53 Operates only on 2025-06-25
Daily 14:35 Chicago O'Hare (ORD) 1 16:27 Denver (DEN)
UA 503 Non-stop Boeing 757-300 (753) 2:52 Effective 2025-06-26 through 2025-08-18
Daily 17:43 Denver (DEN) 23:42 Boston Logan (BOS) B
UA 503 Non-stop Airbus A321neo (32Q) 3:59 Effective 2025-08-19 through 2025-09-24
Daily 17:43 Denver (DEN) 23:46 Boston Logan (BOS) B
UA 503 Non-stop Airbus A321neo (32Q) 4:03 Effective 2025-09-25 through 2025-10-25
Daily 17:43 Denver (DEN) 23:42 Boston Logan (BOS) B
UA 503 Non-stop Boeing 737-900 (739) 3:59 Effective 2025-10-26 through 2026-01-05
Daily 17:52 Denver (DEN) 23:55 Boston Logan (BOS) B
UA 503 Non-stop Airbus A321neo (32Q) 4:03 Effective 2025-06-26 through 2025-08-18
Non-Direct Flights:
Mon-Sat 10:00 Minneapolis/Saint Paul (MSP) 1 18:21 Tampa (TPA)
UA 503 1-stop Boeing 737 MAX 8 (7M8) 7:21 Valid until 2025-05-10
Sun 10:00 Minneapolis/Saint Paul (MSP) 1 18:21 Tampa (TPA)
UA 503 1-stop Boeing 737-700 (73G) 7:21 Operates only on 2025-05-04
Daily 10:00 Minneapolis/Saint Paul (MSP) 1 18:21 Tampa (TPA)
UA 503 1-stop Boeing 737 MAX 8 (7M8) 7:21 Effective 2025-05-11 through 2025-05-21
Sun 10:00 Minneapolis/Saint Paul (MSP) 1 16:27 Denver (DEN)
UA 503 1-stop Boeing 737-900 (739) 7:27 Effective 2025-06-29 through 2025-08-17
Daily 10:00 Minneapolis/Saint Paul (MSP) 1 16:02 Denver (DEN)
UA 503 1-stop Airbus A320 (320) 7:02 Effective 2025-09-25 through 2025-10-25
Daily 10:01 Minneapolis/Saint Paul (MSP) 1 15:39 Denver (DEN)
UA 503 1-stop Boeing 737-800 (738) 6:38 Effective 2025-08-19 through 2025-09-24
Mon,Tue,Thu,Fri,Sun 10:05 Minneapolis/Saint Paul (MSP) 1 16:26 Denver (DEN)
UA 503 1-stop Airbus A320 (320) 7:21 Effective 2025-05-22 through 2025-06-03
Sat 10:05 Minneapolis/Saint Paul (MSP) 1 16:26 Denver (DEN)
UA 503 1-stop Boeing 737-700 (73G) 7:21 Effective 2025-05-24 through 2025-05-31
Wed 10:05 Minneapolis/Saint Paul (MSP) 1 16:25 Denver (DEN)
UA 503 1-stop Airbus A320 (320) 7:20 Operates only on 2025-05-28
Mon-Fri,Sun 10:05 Minneapolis/Saint Paul (MSP) 1 16:26 Denver (DEN)
UA 503 1-stop Airbus A320 (320) 7:21 Effective 2025-06-04 through 2025-06-25
Mon-Thu 10:05 Minneapolis/Saint Paul (MSP) 1 16:27 Denver (DEN)
UA 503 1-stop Boeing 737-800 (738) 7:22 Effective 2025-06-26 through 2025-08-18
Fri 10:05 Minneapolis/Saint Paul (MSP) 1 16:27 Denver (DEN)
UA 503 1-stop Boeing 737-800 (738) 7:22 Effective 2025-06-27 through 2025-08-15
Daily 10:15 Minneapolis/Saint Paul (MSP) 1 15:56 Denver (DEN)
UA 503 1-stop Boeing 737-800 (738) 6:41 Effective 2025-10-26 through 2025-12-17
Daily 10:15 Minneapolis/Saint Paul (MSP) 1 15:56 Denver (DEN)
UA 503 1-stop Boeing 737-800 (738) 6:41 Effective from 2026-01-06
Daily 13:58 Chicago O'Hare (ORD) 1 23:42 Boston Logan (BOS) B
UA 503 1-stop Boeing 737-900 (739) 8:44 Effective 2025-08-19 through 2025-09-24
Daily 14:16 Chicago O'Hare (ORD) 1 23:46 Boston Logan (BOS) B
UA 503 1-stop Airbus A321neo (32Q) 8:30 Effective 2025-09-25 through 2025-10-25
Daily 14:18 Chicago O'Hare (ORD) 1 23:42 Boston Logan (BOS) B
UA 503 1-stop Boeing 737-900 (739) 8:24 Effective 2025-10-26 through 2026-01-05
Daily 14:35 Chicago O'Hare (ORD) 1 23:55 Boston Logan (BOS) B
UA 503 1-stop Boeing 757-300 (753) 8:20 Effective 2025-06-26 through 2025-08-18
Sun 10:00 Minneapolis/Saint Paul (MSP) 1 23:55 Boston Logan (BOS) B
UA 503 2-stop Boeing 737-900 (739) 12:55 Effective 2025-06-29 through 2025-08-17
Daily 10:00 Minneapolis/Saint Paul (MSP) 1 23:46 Boston Logan (BOS) B
UA 503 2-stop Airbus A320 (320) 12:46 Effective 2025-09-25 through 2025-10-25
Daily 10:01 Minneapolis/Saint Paul (MSP) 1 23:42 Boston Logan (BOS) B
UA 503 2-stop Boeing 737-800 (738) 12:41 Effective 2025-08-19 through 2025-09-24
Mon-Thu 10:05 Minneapolis/Saint Paul (MSP) 1 23:55 Boston Logan (BOS) B
UA 503 2-stop Boeing 737-800 (738) 12:50 Effective 2025-06-26 through 2025-08-18
Fri 10:05 Minneapolis/Saint Paul (MSP) 1 23:55 Boston Logan (BOS) B
UA 503 2-stop Boeing 737-800 (738) 12:50 Effective 2025-06-27 through 2025-08-15
Daily 10:15 Minneapolis/Saint Paul (MSP) 1 23:42 Boston Logan (BOS) B
UA 503 2-stop Boeing 737-800 (738) 12:27 Effective 2025-10-26 through 2025-12-17
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Parallax here -
This flight number is listed as serving the following routes:
United Airlines flight UA 503: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA503
Valid until 2025-05-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:37, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA503
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:37, non-stop
Boeing 737-700 (73G)

United Airlines UA503
Effective 2025-05-11 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA503
Effective 2025-06-29 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:38, non-stop
Boeing 737-900 (739)

United Airlines UA503
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:44, non-stop
Airbus A320 (320)

United Airlines UA503
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:38, non-stop
Airbus A320 (320)

United Airlines UA503
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:38, non-stop
Boeing 737-700 (73G)

United Airlines UA503
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:38, non-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-06-27 through 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:37, non-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Boeing 737-800 (738)

United Airlines UA503
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:38, non-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:41, non-stop
Boeing 737-900 (739)

United Airlines UA503
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:46, non-stop
Airbus A321neo (32Q)

United Airlines UA503
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:38, non-stop
Boeing 737-900 (739)

United Airlines UA503
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:51, non-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA503
Effective 2025-05-22 through 2025-06-03
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Airbus A321neo (32Q)

United Airlines UA503
Operates only on 2025-05-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:52, non-stop
Boeing 757-300 (753)

United Airlines UA503
Effective 2025-06-04 through 2025-06-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Airbus A321neo (32Q)

United Airlines UA503
Operates only on 2025-06-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:53, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA503
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:52, non-stop
Boeing 757-300 (753)

United Airlines UA503
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:59, non-stop
Airbus A321neo (32Q)

United Airlines UA503
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:03, non-stop
Airbus A321neo (32Q)

United Airlines UA503
Effective 2025-10-26 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:59, non-stop
Boeing 737-900 (739)

United Airlines UA503
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:03, non-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA503
Valid until 2025-05-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 7:21, 1-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA503
Operates only on 2025-05-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:21, 1-stop
Boeing 737-700 (73G)

United Airlines UA503
Effective 2025-05-11 through 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:21, 1-stop
Boeing 737 MAX 8 (7M8)

United Airlines UA503
Effective 2025-06-29 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:27, 1-stop
Boeing 737-900 (739)

United Airlines UA503
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:02, 1-stop
Airbus A320 (320)

United Airlines UA503
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:38, 1-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-05-22 through 2025-06-03
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 7:21, 1-stop
Airbus A320 (320)

United Airlines UA503
Effective 2025-05-24 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:21, 1-stop
Boeing 737-700 (73G)

United Airlines UA503
Operates only on 2025-05-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:20, 1-stop
Airbus A320 (320)

United Airlines UA503
Effective 2025-06-04 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 7:21, 1-stop
Airbus A320 (320)

United Airlines UA503
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 7:22, 1-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-06-27 through 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 7:22, 1-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:41, 1-stop
Boeing 737-800 (738)

United Airlines UA503
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:41, 1-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:44, 1-stop
Boeing 737-900 (739)

United Airlines UA503
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:30, 1-stop
Airbus A321neo (32Q)

United Airlines UA503
Effective 2025-10-26 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:24, 1-stop
Boeing 737-900 (739)

United Airlines UA503
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:20, 1-stop
Boeing 757-300 (753)

United Airlines UA503
Effective 2025-06-29 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 12:55, 2-stop
Boeing 737-900 (739)

United Airlines UA503
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:46, 2-stop
Airbus A320 (320)

United Airlines UA503
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:41, 2-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 12:50, 2-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-06-27 through 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 12:50, 2-stop
Boeing 737-800 (738)

United Airlines UA503
Effective 2025-10-26 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 12:27, 2-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) - Boston Logan (BOS)
  • Chicago O'Hare (ORD) - Denver (DEN)
  • Chicago O'Hare (ORD) - Tampa (TPA)
  • Denver (DEN) - Boston Logan (BOS)
  • Minneapolis/Saint Paul (MSP) - Boston Logan (BOS)
  • Minneapolis/Saint Paul (MSP) - Chicago O'Hare (ORD)
  • Minneapolis/Saint Paul (MSP) - Denver (DEN)
  • Minneapolis/Saint Paul (MSP) - Tampa (TPA)