United Airlines flight UA 621: Albuquerque - San Antonio via Denver

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:00 Albuquerque (ABQ) 08:24 Denver (DEN)
UA 621 Non-stop Boeing 737-900 (739) 1:24 Valid until 2025-08-18
Daily 07:00 Albuquerque (ABQ) 08:25 Denver (DEN)
UA 621 Non-stop Boeing 737-900 (739) 1:25 Effective 2025-08-19 through 2025-09-24
Daily 07:00 Albuquerque (ABQ) 08:22 Denver (DEN)
UA 621 Non-stop Boeing 737-900 (739) 1:22 Effective 2025-09-25 through 2025-10-25
Daily 07:00 Albuquerque (ABQ) 08:25 Denver (DEN)
UA 621 Non-stop Boeing 737-900 (739) 1:25 Effective from 2025-10-26
Daily 09:35 Denver (DEN) 12:43 San Antonio (SAT) B
UA 621 Non-stop Airbus A320 (320) 2:08 Effective 2025-09-25 through 2025-10-25
Daily 10:00 Denver (DEN) 13:05 San Antonio (SAT) B
UA 621 Non-stop Airbus A320 (320) 2:05 Effective 2025-08-19 through 2025-09-24
Daily 10:00 Denver (DEN) 13:05 San Antonio (SAT) B
UA 621 Non-stop Boeing 737-800 (738) 2:05 Effective from 2025-10-26
Non-Direct Flights:
Daily 07:00 Albuquerque (ABQ) 13:05 San Antonio (SAT) B
UA 621 1-stop Boeing 737-900 (739) 5:05 Effective 2025-08-19 through 2025-09-24
Daily 07:00 Albuquerque (ABQ) 12:43 San Antonio (SAT) B
UA 621 1-stop Boeing 737-900 (739) 4:43 Effective 2025-09-25 through 2025-10-25
Daily 07:00 Albuquerque (ABQ) 13:05 San Antonio (SAT) B
UA 621 1-stop Boeing 737-900 (739) 5:05 Effective from 2025-10-26


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United Airlines flight UA 621:
Albuquerque - San Antonio via Denver
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA621
07:00
Albuquerque (ABQ)

08:24
Denver (DEN)
Valid until 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:24, non-stop
Boeing 737-900 (739)
United Airlines UA621
07:00
Albuquerque (ABQ)

08:25
Denver (DEN)
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Boeing 737-900 (739)
United Airlines UA621
07:00
Albuquerque (ABQ)

08:22
Denver (DEN)
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:22, non-stop
Boeing 737-900 (739)
United Airlines UA621
07:00
Albuquerque (ABQ)

08:25
Denver (DEN)
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:25, non-stop
Boeing 737-900 (739)
United Airlines UA621
09:35
Denver (DEN)

12:43
San Antonio (SAT) B
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:08, non-stop
Airbus A320 (320)
United Airlines UA621
10:00
Denver (DEN)

13:05
San Antonio (SAT) B
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Airbus A320 (320)
United Airlines UA621
10:00
Denver (DEN)

13:05
San Antonio (SAT) B
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:05, non-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA621
07:00
Albuquerque (ABQ)

13:05
San Antonio (SAT) B
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:05, 1-stop
Boeing 737-900 (739)
United Airlines UA621
07:00
Albuquerque (ABQ)

12:43
San Antonio (SAT) B
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:43, 1-stop
Boeing 737-900 (739)
United Airlines UA621
07:00
Albuquerque (ABQ)

13:05
San Antonio (SAT) B
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:05, 1-stop
Boeing 737-900 (739)
  • UA 621 is a domestic flight departing from the Albuquerque airport (ABQ) and arriving at San Antonio airport (SAT).
  • The flight runs via Denver (DEN).
  • The flight distance is 608 miles, or 979 km.
  • The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
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