United Airlines flight UA 1874: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sat 05:00 Houston George Bush (IAH) C 06:40 Denver (DEN)
UA 1874 Non-stop Boeing 737 MAX 9 (7M9) 2:40 Effective 2026-03-05 through 2026-03-28
Sun 05:00 Houston George Bush (IAH) C 06:40 Denver (DEN)
UA 1874 Non-stop Airbus A321neo (32Q) 2:40 Effective 2026-03-08 through 2026-03-22
Daily 05:05 Houston George Bush (IAH) C 06:33 Denver (DEN)
UA 1874 Non-stop Boeing 737-900 (739) 2:28 Effective 2026-05-21 through 2026-10-24
Daily 09:45 Denver (DEN) 15:02 Toronto Pearson (YYZ) 1
UA 1874 Non-stop Airbus A319 (319) 3:17 Valid until 2026-01-12
Mon,Wed-Sun 09:45 Denver (DEN) 15:02 Toronto Pearson (YYZ) 1
UA 1874 Non-stop Airbus A319 (319) 3:17 Effective 2026-01-14 through 2026-02-11
Tue 09:46 Denver (DEN) 15:02 Toronto Pearson (YYZ) 1
UA 1874 Non-stop Boeing 737-800 (738) 3:16 Effective 2026-01-13 through 2026-02-10
Daily 09:51 Denver (DEN) 15:02 Toronto Pearson (YYZ) 1
UA 1874 Non-stop Airbus A319 (319) 3:11 Effective 2026-02-12 through 2026-03-28
Daily 09:55 Denver (DEN) 15:14 Toronto Pearson (YYZ) 1
UA 1874 Non-stop Airbus A319 (319) 3:19 Effective 2026-03-29 through 2026-04-29
Daily 09:58 Denver (DEN) 15:12 Toronto Pearson (YYZ) 1
UA 1874 Non-stop Airbus A319 (319) 3:14 Effective 2026-04-30 through 2026-10-18
Daily 09:58 Denver (DEN) 15:12 Toronto Pearson (YYZ) 1
UA 1874 Non-stop Airbus A319 (319) 3:14 Effective from 2026-10-25
Mon-Sat 10:30 Denver (DEN) 15:14 Detroit (DTW) E
UA 1874 Non-stop Airbus A320 (320) 2:44 Effective 2026-10-19 through 2026-10-24
Non-Direct Flights:
Mon,Thu-Sat 05:00 Houston George Bush (IAH) C 15:02 Toronto Pearson (YYZ) 1
UA 1874 1-stop Boeing 737 MAX 9 (7M9) 9:02 Effective 2026-03-05 through 2026-03-28
Sun 05:00 Houston George Bush (IAH) C 15:02 Toronto Pearson (YYZ) 1
UA 1874 1-stop Airbus A321neo (32Q) 9:02 Effective 2026-03-08 through 2026-03-22
Daily 05:05 Houston George Bush (IAH) C 15:12 Toronto Pearson (YYZ) 1
UA 1874 1-stop Boeing 737-900 (739) 9:07 Effective 2026-05-21 through 2026-10-18
Mon-Sat 05:05 Houston George Bush (IAH) C 15:14 Detroit (DTW) E
UA 1874 1-stop Boeing 737-900 (739) 9:09 Effective 2026-10-19 through 2026-10-24
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1874: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1874
05:00
Houston George Bush (IAH) C

06:40
Denver (DEN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1874
05:00
Houston George Bush (IAH) C

06:40
Denver (DEN)
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:40, non-stop
Airbus A321neo (32Q)
Direct Flights:
United Airlines UA1874
05:05
Houston George Bush (IAH) C

06:33
Denver (DEN)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:28, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1874
09:45
Denver (DEN)

15:02
Toronto Pearson (YYZ) 1
Valid until 2026-01-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:17, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1874
09:45
Denver (DEN)

15:02
Toronto Pearson (YYZ) 1
Effective 2026-01-14 through 2026-02-11
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:17, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1874
09:46
Denver (DEN)

15:02
Toronto Pearson (YYZ) 1
Effective 2026-01-13 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:16, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1874
09:51
Denver (DEN)

15:02
Toronto Pearson (YYZ) 1
Effective 2026-02-12 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1874
09:55
Denver (DEN)

15:14
Toronto Pearson (YYZ) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:19, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1874
09:58
Denver (DEN)

15:12
Toronto Pearson (YYZ) 1
Effective 2026-04-30 through 2026-10-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:14, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1874
09:58
Denver (DEN)

15:12
Toronto Pearson (YYZ) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:14, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1874
10:30
Denver (DEN)

15:14
Detroit (DTW) E
Effective 2026-10-19 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 2:44, non-stop
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA1874
05:00
Houston George Bush (IAH) C

15:02
Toronto Pearson (YYZ) 1
Effective 2026-03-05 through 2026-03-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 9:02, 1-stop
Boeing 737 MAX 9 (7M9)
Non-Direct Flights:
United Airlines UA1874
05:00
Houston George Bush (IAH) C

15:02
Toronto Pearson (YYZ) 1
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 9:02, 1-stop
Airbus A321neo (32Q)
Non-Direct Flights:
United Airlines UA1874
05:05
Houston George Bush (IAH) C

15:12
Toronto Pearson (YYZ) 1
Effective 2026-05-21 through 2026-10-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:07, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1874
05:05
Houston George Bush (IAH) C

15:14
Detroit (DTW) E
Effective 2026-10-19 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 9:09, 1-stop
Boeing 737-900 (739)
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This flight number is listed as serving the following routes:
  • Denver (DEN) - Detroit (DTW)
  • Denver (DEN) - Toronto Pearson (YYZ)
  • Houston George Bush (IAH) - Denver (DEN)
  • Houston George Bush (IAH) - Detroit (DTW)
  • Houston George Bush (IAH) - Toronto Pearson (YYZ)
All United Airlines flights
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