United Airlines flight UA 1840: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Dulles, Washington (IAD) 08:48 Los Angeles (LAX) 7
UA 1840 Non-stop Boeing 737-900 (739) 5:48 Valid until 2025-05-21
Daily 06:50 Santa Ana (SNA) 10:14 Denver (DEN)
UA 1840 Non-stop Boeing 737-800 (738) 2:24 Effective from 2025-10-26
Fri 13:25 Denver (DEN) 14:57 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-800 (738) 1:32 Operates only on 2025-07-04
Daily 13:25 Denver (DEN) 14:57 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-800 (738) 1:32 Effective from 2025-10-26
Daily 13:27 Denver (DEN) 14:59 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-900 (739) 1:32 Effective 2025-06-26 through 2025-07-03
Daily 13:27 Denver (DEN) 14:59 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-900 (739) 1:32 Effective 2025-07-05 through 2025-08-18
Thu 13:30 Denver (DEN) 15:02 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-900 (739) 1:32 Operates only on 2025-05-22
Mon-Fri,Sun 13:41 Denver (DEN) 15:13 Salt Lake City (SLC)
UA 1840 Non-stop Airbus A320 (320) 1:32 Effective 2025-05-23 through 2025-06-25
Sat 13:41 Denver (DEN) 15:13 Salt Lake City (SLC)
UA 1840 Non-stop Airbus A319 (319) 1:32 Effective 2025-05-24 through 2025-06-21
Daily 20:00 Newark Liberty, New York (EWR) C 22:00 Minneapolis/Saint Paul (MSP) 1
UA 1840 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2025-08-19 through 2025-09-24
Daily 20:09 Newark Liberty, New York (EWR) C 22:09 Minneapolis/Saint Paul (MSP) 1
UA 1840 Non-stop Boeing 737-900 (739) 3:00 Effective 2025-09-25 through 2025-10-25
Non-Direct Flights:
Daily 06:50 Santa Ana (SNA) 14:57 Salt Lake City (SLC)
UA 1840 1-stop Boeing 737-800 (738) 7:07 Effective from 2025-10-26
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1840: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1840
06:00
Dulles, Washington (IAD)

08:48
Los Angeles (LAX) 7
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:48, non-stop
Boeing 737-900 (739)
United Airlines UA1840
06:50
Santa Ana (SNA)

10:14
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 UA1840
13:25
Denver (DEN)

14:57
Salt Lake City (SLC)
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 1:32, non-stop
Boeing 737-800 (738)
United Airlines UA1840
13:25
Denver (DEN)

14:57
Salt Lake City (SLC)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Boeing 737-800 (738)
United Airlines UA1840
13:27
Denver (DEN)

14:59
Salt Lake City (SLC)
Effective 2025-06-26 through 2025-07-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Boeing 737-900 (739)
United Airlines UA1840
13:27
Denver (DEN)

14:59
Salt Lake City (SLC)
Effective 2025-07-05 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Boeing 737-900 (739)
United Airlines UA1840
13:30
Denver (DEN)

15:02
Salt Lake City (SLC)
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:32, non-stop
Boeing 737-900 (739)
United Airlines UA1840
13:41
Denver (DEN)

15:13
Salt Lake City (SLC)
Effective 2025-05-23 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:32, non-stop
Airbus A320 (320)
United Airlines UA1840
13:41
Denver (DEN)

15:13
Salt Lake City (SLC)
Effective 2025-05-24 through 2025-06-21
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:32, non-stop
Airbus A319 (319)
United Airlines UA1840
20:00
Newark Liberty, New York (EWR) C

22:00
Minneapolis/Saint Paul (MSP) 1
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1840
20:09
Newark Liberty, New York (EWR) C

22:09
Minneapolis/Saint Paul (MSP) 1
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1840
06:50
Santa Ana (SNA)

14:57
Salt Lake City (SLC)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:07, 1-stop
Boeing 737-800 (738)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Salt Lake City (SLC)
  • Dulles, Washington (IAD) - Los Angeles (LAX)
  • Newark Liberty, New York (EWR) - Minneapolis/Saint Paul (MSP)
  • Santa Ana (SNA) - Denver (DEN)
  • Santa Ana (SNA) - Salt Lake City (SLC)
All United Airlines flights
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