United Airlines flight UA 1257: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:45 Dulles, Washington (IAD) 11:53 Phoenix Sky Harbor (PHX) 3
UA 1257 Non-stop Boeing 737-800 (738) 5:08 Effective 2024-12-19 through 2025-01-06
Daily 08:45 Dulles, Washington (IAD) 11:56 Phoenix Sky Harbor (PHX) 3
UA 1257 Non-stop Boeing 737-900 (739) 5:11 Effective 2025-02-13 through 2025-03-08
Daily 08:45 Dulles, Washington (IAD) 10:56 Phoenix Sky Harbor (PHX) 3
UA 1257 Non-stop Boeing 737-900 (739) 5:11 Effective from 2025-03-09
Daily 09:00 Detroit (DTW) E 10:12 Denver (DEN)
UA 1257 Non-stop Airbus A320 (320) 3:12 Valid until 2024-09-09
Tue 09:00 Detroit (DTW) E 10:12 Denver (DEN)
UA 1257 Non-stop Airbus A319 (319) 3:12 Effective 2024-09-10 through 2024-09-17
Mon,Wed-Sun 09:00 Detroit (DTW) E 10:12 Denver (DEN)
UA 1257 Non-stop Airbus A320 (320) 3:12 Effective 2024-09-11 through 2024-09-23
Tue,Wed 09:00 Detroit (DTW) E 10:12 Denver (DEN)
UA 1257 Non-stop Airbus A320 (320) 3:12 Effective 2024-09-24 through 2024-09-25
Wed-Fri,Sun 12:45 Phoenix Sky Harbor (PHX) 3 14:40 Denver (DEN)
UA 1257 Non-stop Boeing 737-800 (738) 1:55 Effective 2024-11-03 through 2024-11-10
Mon,Tue,Sat 12:45 Phoenix Sky Harbor (PHX) 3 14:40 Denver (DEN)
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2024-11-04 through 2024-11-09
Mon,Wed-Fri,Sun 12:45 Phoenix Sky Harbor (PHX) 3 14:40 Denver (DEN)
UA 1257 Non-stop Boeing 737-800 (738) 1:55 Effective 2024-11-11 through 2024-11-24
Tue,Sat 12:45 Phoenix Sky Harbor (PHX) 3 14:40 Denver (DEN)
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2024-11-12 through 2024-11-23
Mon,Sat 12:45 Phoenix Sky Harbor (PHX) 3 14:40 Denver (DEN)
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 1:55 Effective 2024-11-25 through 2024-11-30
Mon-Wed,Fri,Sun 12:45 Phoenix Sky Harbor (PHX) 3 14:40 Denver (DEN)
UA 1257 Non-stop Boeing 737-800 (738) 1:55 Effective 2024-11-26 through 2024-12-04
Daily 12:45 Phoenix Sky Harbor (PHX) 3 14:40 Denver (DEN)
UA 1257 Non-stop Boeing 737-800 (738) 1:55 Effective 2024-12-05 through 2024-12-18
Daily 12:50 Phoenix Sky Harbor (PHX) 3 14:50 Denver (DEN)
UA 1257 Non-stop Boeing 737-800 (738) 2:00 Effective 2025-02-13 through 2025-03-08
Daily 12:51 Phoenix Sky Harbor (PHX) 3 14:46 Denver (DEN)
UA 1257 Non-stop Boeing 737-900 (739) 1:55 Effective 2025-01-07 through 2025-02-12
Sat 13:00 Phoenix Sky Harbor (PHX) 3 14:55 Denver (DEN)
UA 1257 Non-stop Boeing 737-800 (738) 1:55 Effective 2024-12-21 through 2025-01-04
Daily 13:00 Phoenix Sky Harbor (PHX) 3 16:00 Denver (DEN)
UA 1257 Non-stop Boeing 737 MAX 9 (7M9) 2:00 Effective from 2025-03-30
Mon-Fri,Sun 13:04 Phoenix Sky Harbor (PHX) 3 14:59 Denver (DEN)
UA 1257 Non-stop Boeing 737-800 (738) 1:55 Effective 2024-12-19 through 2024-12-31
Wed 13:04 Phoenix Sky Harbor (PHX) 3 14:59 Denver (DEN)
UA 1257 Non-stop Boeing 737 MAX 9 (7M9) 1:55 Operates only on 2025-01-01
Mon,Thu,Fri,Sun 13:04 Phoenix Sky Harbor (PHX) 3 14:59 Denver (DEN)
UA 1257 Non-stop Boeing 737-800 (738) 1:55 Effective 2025-01-02 through 2025-01-06
Daily 13:20 Phoenix Sky Harbor (PHX) 3 16:03 Denver (DEN)
UA 1257 Non-stop Boeing 737 MAX 9 (7M9) 1:43 Effective 2025-03-09 through 2025-03-29
Daily 13:35 Phoenix Sky Harbor (PHX) 3 16:27 Denver (DEN)
UA 1257 Non-stop Boeing 737-900 (739) 1:52 Effective 2024-09-26 through 2024-10-05
Sun 13:35 Phoenix Sky Harbor (PHX) 3 16:27 Denver (DEN)
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 1:52 Operates only on 2024-10-06
Daily 13:35 Phoenix Sky Harbor (PHX) 3 16:27 Denver (DEN)
UA 1257 Non-stop Boeing 737-900 (739) 1:52 Effective 2024-10-07 through 2024-10-22
Wed,Thu 13:35 Phoenix Sky Harbor (PHX) 3 16:27 Denver (DEN)
UA 1257 Non-stop Boeing 737 MAX 8 (7M8) 1:52 Effective 2024-10-23 through 2024-10-24
Fri,Sat 13:35 Phoenix Sky Harbor (PHX) 3 16:27 Denver (DEN)
UA 1257 Non-stop Boeing 737-900 (739) 1:52 Effective 2024-10-25 through 2024-10-26
Daily 13:40 Phoenix Sky Harbor (PHX) 3 16:35 Denver (DEN)
UA 1257 Non-stop Boeing 737-900 (739) 1:55 Effective 2024-10-27 through 2024-11-02
Non-Direct Flights:
Mon-Fri,Sun 08:45 Dulles, Washington (IAD) 14:59 Denver (DEN)
UA 1257 1-stop Boeing 737-800 (738) 8:14 Effective 2024-12-19 through 2025-01-06
Sat 08:45 Dulles, Washington (IAD) 14:55 Denver (DEN)
UA 1257 1-stop Boeing 737-800 (738) 8:10 Effective 2024-12-21 through 2025-01-04
Daily 08:45 Dulles, Washington (IAD) 14:50 Denver (DEN)
UA 1257 1-stop Boeing 737-900 (739) 8:05 Effective 2025-02-13 through 2025-03-08
Daily 08:45 Dulles, Washington (IAD) 16:03 Denver (DEN)
UA 1257 1-stop Boeing 737-900 (739) 9:18 Effective 2025-03-09 through 2025-03-29
Daily 08:45 Dulles, Washington (IAD) 16:00 Denver (DEN)
UA 1257 1-stop Boeing 737-900 (739) 9:15 Effective from 2025-03-30
This flight number is listed as serving the following routes:


Feedback - Disclaimer - Privacy
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
United Airlines flight UA 1257: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1257
08:45
Dulles, Washington (IAD)

11:53
Phoenix Sky Harbor (PHX) 3
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:08, non-stop
Boeing 737-800 (738)
United Airlines UA1257
08:45
Dulles, Washington (IAD)

11:56
Phoenix Sky Harbor (PHX) 3
Effective 2025-02-13 through 2025-03-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:11, non-stop
Boeing 737-900 (739)
United Airlines UA1257
08:45
Dulles, Washington (IAD)

10:56
Phoenix Sky Harbor (PHX) 3
Effective from 2025-03-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:11, non-stop
Boeing 737-900 (739)
United Airlines UA1257
09:00
Detroit (DTW) E

10:12
Denver (DEN)
Valid until 2024-09-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Airbus A320 (320)
United Airlines UA1257
09:00
Detroit (DTW) E

10:12
Denver (DEN)
Effective 2024-09-10 through 2024-09-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:12, non-stop
Airbus A319 (319)
United Airlines UA1257
09:00
Detroit (DTW) E

10:12
Denver (DEN)
Effective 2024-09-11 through 2024-09-23
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Airbus A320 (320)
United Airlines UA1257
09:00
Detroit (DTW) E

10:12
Denver (DEN)
Effective 2024-09-24 through 2024-09-25
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:12, non-stop
Airbus A320 (320)
United Airlines UA1257
12:45
Phoenix Sky Harbor (PHX) 3

14:40
Denver (DEN)
Effective 2024-11-03 through 2024-11-10
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (738)
United Airlines UA1257
12:45
Phoenix Sky Harbor (PHX) 3

14:40
Denver (DEN)
Effective 2024-11-04 through 2024-11-09
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1257
12:45
Phoenix Sky Harbor (PHX) 3

14:40
Denver (DEN)
Effective 2024-11-11 through 2024-11-24
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (738)
United Airlines UA1257
12:45
Phoenix Sky Harbor (PHX) 3

14:40
Denver (DEN)
Effective 2024-11-12 through 2024-11-23
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1257
12:45
Phoenix Sky Harbor (PHX) 3

14:40
Denver (DEN)
Effective 2024-11-25 through 2024-11-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1257
12:45
Phoenix Sky Harbor (PHX) 3

14:40
Denver (DEN)
Effective 2024-11-26 through 2024-12-04
Mon
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (738)
United Airlines UA1257
12:45
Phoenix Sky Harbor (PHX) 3

14:40
Denver (DEN)
Effective 2024-12-05 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Boeing 737-800 (738)
United Airlines UA1257
12:50
Phoenix Sky Harbor (PHX) 3

14:50
Denver (DEN)
Effective 2025-02-13 through 2025-03-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:00, non-stop
Boeing 737-800 (738)
United Airlines UA1257
12:51
Phoenix Sky Harbor (PHX) 3

14:46
Denver (DEN)
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Boeing 737-900 (739)
United Airlines UA1257
13:00
Phoenix Sky Harbor (PHX) 3

14:55
Denver (DEN)
Effective 2024-12-21 through 2025-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:55, non-stop
Boeing 737-800 (738)
United Airlines UA1257
13:00
Phoenix Sky Harbor (PHX) 3

16:00
Denver (DEN)
Effective from 2025-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:00, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1257
13:04
Phoenix Sky Harbor (PHX) 3

14:59
Denver (DEN)
Effective 2024-12-19 through 2024-12-31
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (738)
United Airlines UA1257
13:04
Phoenix Sky Harbor (PHX) 3

14:59
Denver (DEN)
Operates only on 2025-01-01
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:55, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1257
13:04
Phoenix Sky Harbor (PHX) 3

14:59
Denver (DEN)
Effective 2025-01-02 through 2025-01-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 1:55, non-stop
Boeing 737-800 (738)
United Airlines UA1257
13:20
Phoenix Sky Harbor (PHX) 3

16:03
Denver (DEN)
Effective 2025-03-09 through 2025-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:43, non-stop
Boeing 737 MAX 9 (7M9)
United Airlines UA1257
13:35
Phoenix Sky Harbor (PHX) 3

16:27
Denver (DEN)
Effective 2024-09-26 through 2024-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Boeing 737-900 (739)
United Airlines UA1257
13:35
Phoenix Sky Harbor (PHX) 3

16:27
Denver (DEN)
Operates only on 2024-10-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:52, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1257
13:35
Phoenix Sky Harbor (PHX) 3

16:27
Denver (DEN)
Effective 2024-10-07 through 2024-10-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:52, non-stop
Boeing 737-900 (739)
United Airlines UA1257
13:35
Phoenix Sky Harbor (PHX) 3

16:27
Denver (DEN)
Effective 2024-10-23 through 2024-10-24
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 1:52, non-stop
Boeing 737 MAX 8 (7M8)
United Airlines UA1257
13:35
Phoenix Sky Harbor (PHX) 3

16:27
Denver (DEN)
Effective 2024-10-25 through 2024-10-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 1:52, non-stop
Boeing 737-900 (739)
United Airlines UA1257
13:40
Phoenix Sky Harbor (PHX) 3

16:35
Denver (DEN)
Effective 2024-10-27 through 2024-11-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:55, non-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA1257
08:45
Dulles, Washington (IAD)

14:59
Denver (DEN)
Effective 2024-12-19 through 2025-01-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 8:14, 1-stop
Boeing 737-800 (738)
United Airlines UA1257
08:45
Dulles, Washington (IAD)

14:55
Denver (DEN)
Effective 2024-12-21 through 2025-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 8:10, 1-stop
Boeing 737-800 (738)
United Airlines UA1257
08:45
Dulles, Washington (IAD)

14:50
Denver (DEN)
Effective 2025-02-13 through 2025-03-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 8:05, 1-stop
Boeing 737-900 (739)
United Airlines UA1257
08:45
Dulles, Washington (IAD)

16:03
Denver (DEN)
Effective 2025-03-09 through 2025-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:18, 1-stop
Boeing 737-900 (739)
United Airlines UA1257
08:45
Dulles, Washington (IAD)

16:00
Denver (DEN)
Effective from 2025-03-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:15, 1-stop
Boeing 737-900 (739)
This flight number is listed as serving the following routes:
  • Detroit (DTW) - Denver (DEN)
  • Dulles, Washington (IAD) - Denver (DEN)
  • Dulles, Washington (IAD) - Phoenix Sky Harbor (PHX)
  • Phoenix Sky Harbor (PHX) - Denver (DEN)
All United Airlines flights
Feedback     -     Disclaimer     -     Privacy