United Airlines flight UA 1666: Cincinnati - Denver

Ad box here 1220564027 I FlightWNum Top Box
Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:
Thu 08:00 Cincinnati (CVG) 09:01 Denver (DEN)
UA 1666 Non-stop Airbus A320 (320) 3:01 Operates only on 2025-05-22
Daily 08:00 Cincinnati (CVG) 09:01 Denver (DEN)
UA 1666 Non-stop Boeing 737-800 (738) 3:01 Effective 2025-05-23 through 2025-06-25
Daily 08:00 Cincinnati (CVG) 08:59 Denver (DEN)
UA 1666 Non-stop Boeing 737-800 (738) 2:59 Effective 2025-06-26 through 2025-08-18
Daily 08:42 Cincinnati (CVG) 09:50 Denver (DEN)
UA 1666 Non-stop Boeing 737-800 (738) 3:08 Valid until 2025-05-21
Daily 09:00 Cincinnati (CVG) 09:58 Denver (DEN)
UA 1666 Non-stop Boeing 737-800 (738) 2:58 Effective 2025-09-25 through 2025-10-25
Daily 09:10 Cincinnati (CVG) 10:15 Denver (DEN)
UA 1666 Non-stop Boeing 737-800 (738) 3:05 Effective 2025-08-19 through 2025-09-24
Daily 09:10 Cincinnati (CVG) 10:15 Denver (DEN)
UA 1666 Non-stop Boeing 737-800 (738) 3:05 Effective from 2025-10-26
Ad flat here 1377413384 I FlightWNum Lower
Parallax here CVG-DEN
United Airlines flight UA 1666:
Cincinnati - Denver
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA1666
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:01, non-stop
Airbus A320 (320)

United Airlines UA1666
Effective 2025-05-23 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Boeing 737-800 (738)

United Airlines UA1666
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Boeing 737-800 (738)

United Airlines UA1666
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:08, non-stop
Boeing 737-800 (738)

United Airlines UA1666
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:58, non-stop
Boeing 737-800 (738)

United Airlines UA1666
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737-800 (738)

United Airlines UA1666
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:05, non-stop
Boeing 737-800 (738)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here CVG-DEN
  • UA 1666 is a domestic flight departing from the Cincinnati airport (CVG) and arriving at Denver airport (DEN).
  • The flight distance is 1066 miles, or 1715 km.
  • The timezone of the departure airport is UTC-5 (plus 1h DST), and the timezone of the arrival airport is UTC-7 (plus 1h DST). Current time at the point of departure is 2:34pm, and 12:34pm at the point of arrival. There is a -2 hour time difference between the airports.
  • For direct flights, the flight time varies between 2:58 and 3:08.