United Airlines

UAL1666 / UA1666

ICAO: UAL1666 IATA: UA1666

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Flight schedule

Select flight date

Departure

Arrive

Aircraft

Effective

Avalibility

08:00

Cincinnati (CVG)

09:02

Denver (DEN)

Boeing 737-900 Passenger

Begins

Now

Valid to

2026-06-24

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Saturdays

United Airlines

UAL1666

Duration

3h 02m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

176

First class

Business

Economy

161

09:00

Cincinnati (CVG)

10:02

Denver (DEN)

Boeing 737-900 Passenger

Begins

2026-06-06

Valid to

2026-06-20

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1666

Duration

3h 02m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

176

First class

Business

Economy

161

08:00

Cincinnati (CVG)

09:02

Denver (DEN)

Boeing 737MAX 9 Passenger

Operates only

2026-06-25

sun

mon

tue

wed

thu

fri

sat

Every Thursday

United Airlines

UAL1666

Duration

3h 02m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

179

First class

Economy

159

08:00

Cincinnati (CVG)

09:02

Denver (DEN)

Boeing 737-900 Passenger

Begins

2026-06-26

Valid to

2026-07-03

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Saturdays

United Airlines

UAL1666

Duration

3h 02m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

176

First class

Business

Economy

161

08:00

Cincinnati (CVG)

09:04

Denver (DEN)

Airbus A320

Begins

2026-06-27

Valid to

2026-08-08

sun

mon

tue

wed

thu

fri

sat

Every Saturday

United Airlines

UAL1666

Duration

3h 04m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

150

First class

Economy

138

08:00

Cincinnati (CVG)

09:01

Denver (DEN)

Boeing 737-800 Passenger

Operates only

2026-07-05

sun

mon

tue

wed

thu

fri

sat

Every Sunday

United Airlines

UAL1666

Duration

3h 01m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

167

First class

Economy

159

08:00

Cincinnati (CVG)

09:02

Denver (DEN)

Boeing 737-900 Passenger

Begins

2026-07-06

Valid to

2026-08-14

sun

mon

tue

wed

thu

fri

sat

Every day of the week except Saturdays

United Airlines

UAL1666

Duration

3h 02m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

176

First class

Business

Economy

161

08:00

Cincinnati (CVG)

09:02

Denver (DEN)

Boeing 737-900 Passenger

Begins

2026-08-15

Valid to

2026-09-23

sun

mon

tue

wed

thu

fri

sat

Every weekday

United Airlines

UAL1666

Duration

3h 02m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

176

First class

Business

Economy

161

08:00

Cincinnati (CVG)

09:02

Denver (DEN)

Boeing 737MAX 9 Passenger

Begins

2026-09-24

Valid to

2026-10-24

sun

mon

tue

wed

thu

fri

sat

Every weekday

United Airlines

UAL1666

Duration

3h 02m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

179

First class

Economy

159

09:10

Cincinnati (CVG)

10:15

Denver (DEN)

Boeing 737-800 Passenger

Begins

2026-10-25

Valid to

2026-10-31

sun

mon

tue

wed

thu

fri

sat

Every weekday

United Airlines

UAL1666

Duration

3h 05m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

167

First class

Economy

159

09:10

Cincinnati (CVG)

10:15

Denver (DEN)

Boeing 737-800 Passenger

Begins

2026-11-01

Valid to

2027-03-13

sun

mon

tue

wed

thu

fri

sat

Every weekday

United Airlines

UAL1666

Duration

3h 05m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

167

First class

Economy

159

09:10

Cincinnati (CVG)

10:15

Denver (DEN)

Boeing 737-800 Passenger

Begins

2027-03-14

Valid to

2027-06-01

sun

mon

tue

wed

thu

fri

sat

Every weekday

United Airlines

UAL1666

Duration

3h 05m

Distance

1072 mi, 1725 km

Coreshare

Same day flight

Yes

Terminal

Meals

Meal (none specific)

Seats

167

First class

Economy

159

According to schedule

Live tracker

CVG

Cincinnati, US

left TERMINAL N/A

Cincinnati - CVG

THURSDAY 04-JUN-2026

08:00 GMT-0400

DEN

Denver, US

arrives TERMINAL N/A

Denver - DEN

THURSDAY 04-JUN-2026

09:02 GMT-0600

General route info

Frequency:

Daily

Sun Mon Tue Wed Thu Fri Sat

Direct distance

1067 miles, 1717 km

Actual distance

1072 miles, 1725 km

0.47%

Flight time

3h 02m

Flights / Week

14 flights

Seats / Week

176 seats/flight

2464 seats/week

Upcoming scheduled flights in the coming 30 days

Date

Time

From

To

Aircraft

Status
Date:

Time:

From:

To:

Aircraft:

Status:

04 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

05 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

06 Jun 2026

09:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

07 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

08 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

09 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

10 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

11 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

12 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

13 Jun 2026

09:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

14 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

15 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

16 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

17 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

18 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

19 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

20 Jun 2026

09:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

21 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

22 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

23 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

24 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

25 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737MAX 9 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

26 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

27 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Airbus A320

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

28 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

29 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

30 Jun 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

01 Jul 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

02 Jul 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

03 Jul 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Boeing 737-900 Passenger

UA1666
Date:

Time:

From:

To:

Aircraft:

Status:

04 Jul 2026

08:00

Cincinnati(CVG)

Denver(DEN)

Airbus A320

UA1666

UAL1666 information

A domestic route in USA departing from Cincinnati (CVG) and arriving at Denver (DEN).

The timezone of the departure airport is UTC -4, and the timezone of the arrival airport is UTC -6.

The current time at the point of departure is 11:31pm, and 9:31pm at the point of arrival. There is a -2 hour time difference between the airports.

The flight distance is 1072 miles, or 1725 km.

For direct flights, the flight time is about 3:02.

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Other flights between Cincinnati and Denver with United

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United Airlines

UAL1666 / UA1666

Flight schedule

General route info

Frequency:

Direct distance

Actual distance

Flight time

Flights / Week

Seats / Week

Upcoming scheduled flights in the coming 30 days

UAL1666 information

Cincinnati (CVG) Flight Deals

Cincinnati Hotel Deals

Cincinnati (CVG) Rental Cars

Cincinnati (CVG) Parking

Other flights between Cincinnati and Denver with United

Popular Airports

Popular Airlines

United Airlines

UAL1666 / UA1666

Flight schedule

General route info

Frequency:

Direct distance

Actual distance

Flight time

Flights / Week

Seats / Week

Upcoming scheduled flights in the coming 30 days

UAL1666 information

Cincinnati (CVG) Flight Deals

Cincinnati Hotel Deals

Cincinnati (CVG) Rental Cars

Cincinnati (CVG) Parking

Select Destination Airport

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