United Airlines flight UA 557: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Wed 15:55 Charleston (CHS) 18:04 Denver (DEN)
UA 557 Non-stop Airbus A320 (320) 4:09 Effective 2026-03-11 through 2026-03-25
Mon,Tue,Thu-Sun 16:00 Charleston (CHS) 18:09 Denver (DEN)
UA 557 Non-stop Airbus A320 (320) 4:09 Effective 2026-03-05 through 2026-03-28
Daily 16:00 Charleston (CHS) 18:05 Denver (DEN)
UA 557 Non-stop Boeing 737-800 (738) 4:05 Effective 2026-04-30 through 2026-05-20
Daily 16:00 Charleston (CHS) 18:05 Denver (DEN)
UA 557 Non-stop Airbus A319 (319) 4:05 Effective from 2026-05-21
Daily 16:01 Charleston (CHS) 18:04 Denver (DEN)
UA 557 Non-stop Airbus A320 (320) 4:03 Effective 2026-01-06 through 2026-02-11
Mon-Wed,Fri-Sun 16:05 Charleston (CHS) 18:08 Denver (DEN)
UA 557 Non-stop Airbus A320 (320) 4:03 Valid until 2026-01-05
Thu 16:05 Charleston (CHS) 18:08 Denver (DEN)
UA 557 Non-stop Airbus A319 (319) 4:03 Operates only on 2026-01-01
Mon-Thu,Sat,Sun 16:05 Charleston (CHS) 18:13 Denver (DEN)
UA 557 Non-stop Airbus A319 (319) 4:08 Effective 2026-02-12 through 2026-03-04
Fri 16:05 Charleston (CHS) 18:13 Denver (DEN)
UA 557 Non-stop Airbus A320 (320) 4:08 Effective 2026-02-13 through 2026-02-27
Daily 16:05 Charleston (CHS) 18:14 Denver (DEN)
UA 557 Non-stop Airbus A320 (320) 4:09 Effective 2026-03-29 through 2026-04-29
Daily 19:39 Denver (DEN) 20:41 Hayden (HDN)
UA 557 Non-stop Boeing 737-800 (738) 1:02 Effective 2026-03-05 through 2026-03-28
Mon,Tue,Thu,Fri,Sun 20:57 Denver (DEN) 22:30 Santa Ana (SNA)
UA 557 Non-stop Airbus A319 (319) 2:33 Valid until 2026-01-04
Mon 20:57 Denver (DEN) 22:30 Santa Ana (SNA)
UA 557 Non-stop Boeing 737 MAX 8 (7M8) 2:33 Operates only on 2026-01-05
Non-Direct Flights:
Wed 15:55 Charleston (CHS) 20:41 Hayden (HDN)
UA 557 1-stop Airbus A320 (320) 6:46 Effective 2026-03-11 through 2026-03-25
Mon,Tue,Thu-Sun 16:00 Charleston (CHS) 20:41 Hayden (HDN)
UA 557 1-stop Airbus A320 (320) 6:41 Effective 2026-03-05 through 2026-03-28
Mon,Tue,Fri,Sun 16:05 Charleston (CHS) 22:30 Santa Ana (SNA)
UA 557 1-stop Airbus A320 (320) 9:25 Valid until 2026-01-05
Thu 16:05 Charleston (CHS) 22:30 Santa Ana (SNA)
UA 557 1-stop Airbus A319 (319) 9:25 Operates only on 2026-01-01
This flight number is listed as serving the following routes:


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United Airlines flight UA 557: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA557
15:55
Charleston (CHS)

18:04
Denver (DEN)
Effective 2026-03-11 through 2026-03-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:09, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA557
16:00
Charleston (CHS)

18:09
Denver (DEN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 4:09, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA557
16:00
Charleston (CHS)

18:05
Denver (DEN)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:05, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA557
16:00
Charleston (CHS)

18:05
Denver (DEN)
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:05, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA557
16:01
Charleston (CHS)

18:04
Denver (DEN)
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:03, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA557
16:05
Charleston (CHS)

18:08
Denver (DEN)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 4:03, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA557
16:05
Charleston (CHS)

18:08
Denver (DEN)
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:03, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA557
16:05
Charleston (CHS)

18:13
Denver (DEN)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 4:08, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA557
16:05
Charleston (CHS)

18:13
Denver (DEN)
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:08, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA557
16:05
Charleston (CHS)

18:14
Denver (DEN)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:09, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA557
19:39
Denver (DEN)

20:41
Hayden (HDN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:02, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA557
20:57
Denver (DEN)

22:30
Santa Ana (SNA)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:33, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA557
20:57
Denver (DEN)

22:30
Santa Ana (SNA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:33, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA557
15:55
Charleston (CHS)

20:41
Hayden (HDN)
Effective 2026-03-11 through 2026-03-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:46, 1-stop
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA557
16:00
Charleston (CHS)

20:41
Hayden (HDN)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 6:41, 1-stop
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA557
16:05
Charleston (CHS)

22:30
Santa Ana (SNA)
Valid until 2026-01-05
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 9:25, 1-stop
Airbus A320 (320)
Non-Direct Flights:
United Airlines UA557
16:05
Charleston (CHS)

22:30
Santa Ana (SNA)
Operates only on 2026-01-01
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 9:25, 1-stop
Airbus A319 (319)
This flight number is listed as serving the following routes:
  • Charleston (CHS) - Denver (DEN)
  • Charleston (CHS) - Hayden (HDN)
  • Charleston (CHS) - Santa Ana (SNA)
  • Denver (DEN) - Hayden (HDN)
  • Denver (DEN) - Santa Ana (SNA)
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