United Airlines flight UA 1873: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Sat 08:00 Seattle-Tacoma (SEA) 16:11 Dulles, Washington (IAD)
UA 1873 Non-stop Boeing 737-900 (739) 5:11 Effective 2025-06-26 through 2025-08-18
Daily 08:00 Phoenix Sky Harbor (PHX) 3 15:26 Dulles, Washington (IAD)
UA 1873 Non-stop Boeing 737-900 (739) 4:26 Effective 2025-08-19 through 2025-09-24
Sun 08:14 Seattle-Tacoma (SEA) 16:25 Dulles, Washington (IAD)
UA 1873 Non-stop Boeing 737 MAX 8 (7M8) 5:11 Effective 2025-06-29 through 2025-08-17
Daily 08:45 Phoenix Sky Harbor (PHX) 3 16:11 Dulles, Washington (IAD)
UA 1873 Non-stop Boeing 737-800 (738) 4:26 Effective 2025-09-25 through 2025-10-25
Daily 09:35 Phoenix Sky Harbor (PHX) 3 16:50 Dulles, Washington (IAD)
UA 1873 Non-stop Boeing 737-900 (739) 4:15 Effective 2025-10-26 through 2025-11-01
Daily 09:35 Phoenix Sky Harbor (PHX) 3 15:50 Dulles, Washington (IAD)
UA 1873 Non-stop Boeing 737-900 (739) 4:15 Effective from 2025-11-02
Sat 13:54 Dallas Fort Worth (DFW) E 18:29 Newark Liberty, New York (EWR) A
UA 1873 Non-stop Boeing 737 MAX 9 (7M9) 3:35 Operates only on 2025-05-24
Sat 13:54 Dallas Fort Worth (DFW) E 18:29 Newark Liberty, New York (EWR) A
UA 1873 Non-stop Boeing 737-900 (739) 3:35 Operates only on 2025-05-31
Mon-Fri 13:55 Dallas Fort Worth (DFW) E 18:30 Newark Liberty, New York (EWR) A
UA 1873 Non-stop Boeing 737-900 (739) 3:35 Effective 2025-05-22 through 2025-05-30
Sun 13:55 Dallas Fort Worth (DFW) E 18:30 Newark Liberty, New York (EWR) A
UA 1873 Non-stop Boeing 737 MAX 9 (7M9) 3:35 Operates only on 2025-05-25
Daily 13:55 Dallas Fort Worth (DFW) E 18:30 Newark Liberty, New York (EWR) C
UA 1873 Non-stop Boeing 737-900 (739) 3:35 Effective 2025-06-01 through 2025-06-25
Mon-Thu,Sun 17:45 Dulles, Washington (IAD) 18:44 Nashville (BNA)
UA 1873 Non-stop Boeing 737 MAX 8 (7M8) 1:59 Valid until 2025-05-20
Fri,Sat 17:45 Dulles, Washington (IAD) 18:44 Nashville (BNA)
UA 1873 Non-stop Boeing 737-900 (739) 1:59 Effective 2025-05-02 through 2025-05-17
Wed 17:45 Dulles, Washington (IAD) 18:44 Nashville (BNA)
UA 1873 Non-stop Boeing 737-700 (73G) 1:59 Operates only on 2025-05-21
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1873: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1873
08:00
Seattle-Tacoma (SEA)

16:11
Dulles, Washington (IAD)
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 5:11, non-stop
Boeing 737-900 (739)
United Airlines UA1873
08:00
Phoenix Sky Harbor (PHX) 3

15:26
Dulles, Washington (IAD)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:26, non-stop
Boeing 737-900 (739)
United Airlines UA1873
08:14
Seattle-Tacoma (SEA)

16:25
Dulles, Washington (IAD)
Effective 2025-06-29 through 2025-08-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:11, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1873
08:45
Phoenix Sky Harbor (PHX) 3

16:11
Dulles, Washington (IAD)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:26, non-stop
Boeing 737-800 (738)
United Airlines UA1873
09:35
Phoenix Sky Harbor (PHX) 3

16:50
Dulles, Washington (IAD)
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:15, non-stop
Boeing 737-900 (739)
United Airlines UA1873
09:35
Phoenix Sky Harbor (PHX) 3

15:50
Dulles, Washington (IAD)
Effective from 2025-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:15, non-stop
Boeing 737-900 (739)
United Airlines UA1873
13:54
Dallas Fort Worth (DFW) E

18:29
Newark Liberty, New York (EWR) A
Operates only on 2025-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:35, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1873
13:54
Dallas Fort Worth (DFW) E

18:29
Newark Liberty, New York (EWR) A
Operates only on 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:35, non-stop
Boeing 737-900 (739)
United Airlines UA1873
13:55
Dallas Fort Worth (DFW) E

18:30
Newark Liberty, New York (EWR) A
Effective 2025-05-22 through 2025-05-30
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:35, non-stop
Boeing 737-900 (739)
United Airlines UA1873
13:55
Dallas Fort Worth (DFW) E

18:30
Newark Liberty, New York (EWR) A
Operates only on 2025-05-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:35, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1873
13:55
Dallas Fort Worth (DFW) E

18:30
Newark Liberty, New York (EWR) C
Effective 2025-06-01 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:35, non-stop
Boeing 737-900 (739)
United Airlines UA1873
17:45
Dulles, Washington (IAD)

18:44
Nashville (BNA)
Valid until 2025-05-20
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 1:59, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1873
17:45
Dulles, Washington (IAD)

18:44
Nashville (BNA)
Effective 2025-05-02 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:59, non-stop
Boeing 737-900 (739)
United Airlines UA1873
17:45
Dulles, Washington (IAD)

18:44
Nashville (BNA)
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:59, non-stop
Boeing 737-700 (73G)
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This flight number is listed as serving the following routes:
  • Dallas Fort Worth (DFW) - Newark Liberty, New York (EWR)
  • Dulles, Washington (IAD) - Nashville (BNA)
  • Phoenix Sky Harbor (PHX) - Dulles, Washington (IAD)
  • Seattle-Tacoma (SEA) - Dulles, Washington (IAD)
All United Airlines flights
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