United Airlines flight UA 1840: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Thu 09:00 Saint Louis (STL) 1 10:22 Denver (DEN)
UA 1840 Non-stop Boeing 737-800 (738) 2:22 Operates only on 2024-09-26
Mon-Sat 09:00 Saint Louis (STL) 1 10:22 Denver (DEN)
UA 1840 Non-stop Boeing 737-900 (739) 2:22 Effective 2024-09-27 through 2024-10-15
Sun 09:00 Saint Louis (STL) 1 10:22 Denver (DEN)
UA 1840 Non-stop Boeing 737 MAX 8 (7M8) 2:22 Effective 2024-09-29 through 2024-10-13
Wed,Fri,Sun 09:00 Saint Louis (STL) 1 10:22 Denver (DEN)
UA 1840 Non-stop Boeing 737 MAX 8 (7M8) 2:22 Effective 2024-10-16 through 2024-10-20
Mon-Thu 09:00 Saint Louis (STL) 1 10:22 Denver (DEN)
UA 1840 Non-stop Boeing 737-900 (739) 2:22 Effective 2024-10-17 through 2024-10-24
Sat 09:00 Saint Louis (STL) 1 10:19 Denver (DEN)
UA 1840 Non-stop Boeing 737 MAX 9 (7M9) 2:19 Operates only on 2024-10-19
Fri 09:00 Saint Louis (STL) 1 10:22 Denver (DEN)
UA 1840 Non-stop Boeing 737-900 (739) 2:22 Operates only on 2024-10-25
Sat 09:00 Saint Louis (STL) 1 10:22 Denver (DEN)
UA 1840 Non-stop Boeing 737 MAX 9 (7M9) 2:22 Operates only on 2024-10-26
Daily 10:48 Chicago O'Hare (ORD) 1 14:48 Fort Myers (RSW)
UA 1840 Non-stop Boeing 737-900 (739) 3:00 Effective 2024-10-27 through 2024-12-02
Mon-Sat 11:45 Denver (DEN) 13:20 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-800 (738) 1:35 Valid until 2024-09-07
Sun 11:45 Denver (DEN) 13:20 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-900 (739) 1:35 Operates only on 2024-09-01
Daily 11:45 Denver (DEN) 13:20 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-800 (738) 1:35 Effective 2024-09-08 through 2024-09-25
Mon-Thu 11:45 Denver (DEN) 13:20 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-900 (739) 1:35 Effective 2024-09-26 through 2024-10-03
Sun 11:45 Denver (DEN) 13:20 Salt Lake City (SLC)
UA 1840 Non-stop Airbus A319 (319) 1:35 Operates only on 2024-09-29
Mon-Thu,Sun 11:45 Denver (DEN) 13:20 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-900 (739) 1:35 Effective 2024-10-06 through 2024-10-16
Thu 11:45 Denver (DEN) 13:20 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2024-10-17
Mon-Thu,Sun 11:45 Denver (DEN) 13:20 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-900 (739) 1:35 Effective 2024-10-20 through 2024-10-24
Daily 13:25 Denver (DEN) 14:57 Salt Lake City (SLC)
UA 1840 Non-stop Boeing 737-800 (738) 1:32 Effective from 2025-02-13
Daily 14:00 Fort Lauderdale (FLL) 1 16:31 Chicago O'Hare (ORD) 1
UA 1840 Non-stop Airbus A321neo (32Q) 3:31 Effective 2024-12-19 through 2025-01-06
Daily 14:16 Fort Lauderdale (FLL) 1 16:38 Chicago O'Hare (ORD) 1
UA 1840 Non-stop Airbus A321neo (32Q) 3:22 Effective 2024-12-03 through 2024-12-18
Daily 14:16 Fort Lauderdale (FLL) 1 16:47 Chicago O'Hare (ORD) 1
UA 1840 Non-stop Airbus A321neo (32Q) 3:31 Effective 2025-01-07 through 2025-02-12
Daily 19:50 Chicago O'Hare (ORD) 1 22:25 San Diego (SAN) 2
UA 1840 Non-stop Airbus A321neo (32Q) 4:35 Effective 2024-12-19 through 2025-01-06
Non-Direct Flights:
Thu 09:00 Saint Louis (STL) 1 13:20 Salt Lake City (SLC)
UA 1840 1-stop Boeing 737-800 (738) 5:20 Operates only on 2024-09-26
Sun 09:00 Saint Louis (STL) 1 13:20 Salt Lake City (SLC)
UA 1840 1-stop Boeing 737 MAX 8 (7M8) 5:20 Effective 2024-09-29 through 2024-10-13
Mon-Thu 09:00 Saint Louis (STL) 1 13:20 Salt Lake City (SLC)
UA 1840 1-stop Boeing 737-900 (739) 5:20 Effective 2024-09-30 through 2024-10-15
Wed,Sun 09:00 Saint Louis (STL) 1 13:20 Salt Lake City (SLC)
UA 1840 1-stop Boeing 737 MAX 8 (7M8) 5:20 Effective 2024-10-16 through 2024-10-20
Mon-Thu 09:00 Saint Louis (STL) 1 13:20 Salt Lake City (SLC)
UA 1840 1-stop Boeing 737-900 (739) 5:20 Effective 2024-10-17 through 2024-10-24
Daily 14:00 Fort Lauderdale (FLL) 1 22:25 San Diego (SAN) 2
UA 1840 1-stop Airbus A321neo (32Q) 11:25 Effective 2024-12-19 through 2025-01-06
This flight number is listed as serving the following routes:


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United Airlines flight UA 1840: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1840
09:00
Saint Louis (STL) 1

10:22
Denver (DEN)
Operates only on 2024-09-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:22, non-stop
Boeing 737-800 (738)
United Airlines UA1840
09:00
Saint Louis (STL) 1

10:22
Denver (DEN)
Effective 2024-09-27 through 2024-10-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:22, non-stop
Boeing 737-900 (739)
United Airlines UA1840
09:00
Saint Louis (STL) 1

10:22
Denver (DEN)
Effective 2024-09-29 through 2024-10-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:22, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1840
09:00
Saint Louis (STL) 1

10:22
Denver (DEN)
Effective 2024-10-16 through 2024-10-20
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:22, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1840
09:00
Saint Louis (STL) 1

10:22
Denver (DEN)
Effective 2024-10-17 through 2024-10-24
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:22, non-stop
Boeing 737-900 (739)
United Airlines UA1840
09:00
Saint Louis (STL) 1

10:19
Denver (DEN)
Operates only on 2024-10-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:19, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1840
09:00
Saint Louis (STL) 1

10:22
Denver (DEN)
Operates only on 2024-10-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:22, non-stop
Boeing 737-900 (739)
United Airlines UA1840
09:00
Saint Louis (STL) 1

10:22
Denver (DEN)
Operates only on 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:22, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1840
10:48
Chicago O'Hare (ORD) 1

14:48
Fort Myers (RSW)
Effective 2024-10-27 through 2024-12-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:00, non-stop
Boeing 737-900 (739)
United Airlines UA1840
11:45
Denver (DEN)

13:20
Salt Lake City (SLC)
Valid until 2024-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (738)
United Airlines UA1840
11:45
Denver (DEN)

13:20
Salt Lake City (SLC)
Operates only on 2024-09-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-900 (739)
United Airlines UA1840
11:45
Denver (DEN)

13:20
Salt Lake City (SLC)
Effective 2024-09-08 through 2024-09-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:35, non-stop
Boeing 737-800 (738)
United Airlines UA1840
11:45
Denver (DEN)

13:20
Salt Lake City (SLC)
Effective 2024-09-26 through 2024-10-03
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-900 (739)
United Airlines UA1840
11:45
Denver (DEN)

13:20
Salt Lake City (SLC)
Operates only on 2024-09-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Airbus A319 (319)
United Airlines UA1840
11:45
Denver (DEN)

13:20
Salt Lake City (SLC)
Effective 2024-10-06 through 2024-10-16
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-900 (739)
United Airlines UA1840
11:45
Denver (DEN)

13:20
Salt Lake City (SLC)
Operates only on 2024-10-17
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1840
11:45
Denver (DEN)

13:20
Salt Lake City (SLC)
Effective 2024-10-20 through 2024-10-24
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-900 (739)
United Airlines UA1840
13:25
Denver (DEN)

14:57
Salt Lake City (SLC)
Effective from 2025-02-13
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:32, non-stop
Boeing 737-800 (738)
United Airlines UA1840
14:00
Fort Lauderdale (FLL) 1

16:31
Chicago O'Hare (ORD) 1
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:31, non-stop
Airbus A321neo (32Q)
United Airlines UA1840
14:16
Fort Lauderdale (FLL) 1

16:38
Chicago O'Hare (ORD) 1
Effective 2024-12-03 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:22, non-stop
Airbus A321neo (32Q)
United Airlines UA1840
14:16
Fort Lauderdale (FLL) 1

16:47
Chicago O'Hare (ORD) 1
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:31, non-stop
Airbus A321neo (32Q)
United Airlines UA1840
19:50
Chicago O'Hare (ORD) 1

22:25
San Diego (SAN) 2
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:35, non-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA1840
09:00
Saint Louis (STL) 1

13:20
Salt Lake City (SLC)
Operates only on 2024-09-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:20, 1-stop
Boeing 737-800 (738)
United Airlines UA1840
09:00
Saint Louis (STL) 1

13:20
Salt Lake City (SLC)
Effective 2024-09-29 through 2024-10-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:20, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1840
09:00
Saint Louis (STL) 1

13:20
Salt Lake City (SLC)
Effective 2024-09-30 through 2024-10-15
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:20, 1-stop
Boeing 737-900 (739)
United Airlines UA1840
09:00
Saint Louis (STL) 1

13:20
Salt Lake City (SLC)
Effective 2024-10-16 through 2024-10-20
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:20, 1-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1840
09:00
Saint Louis (STL) 1

13:20
Salt Lake City (SLC)
Effective 2024-10-17 through 2024-10-24
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:20, 1-stop
Boeing 737-900 (739)
United Airlines UA1840
14:00
Fort Lauderdale (FLL) 1

22:25
San Diego (SAN) 2
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 11:25, 1-stop
Airbus A321neo (32Q)
This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Fort Myers (RSW)
  • Chicago O'Hare (ORD) - San Diego (SAN)
  • Denver (DEN) - Salt Lake City (SLC)
  • Fort Lauderdale (FLL) - Chicago O'Hare (ORD)
  • Fort Lauderdale (FLL) - San Diego (SAN)
  • Saint Louis (STL) - Denver (DEN)
  • Saint Louis (STL) - Salt Lake City (SLC)
All United Airlines flights
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