UAL1666

UNITED AIRLINES INC · CVG → DEN

UAL1666 is operated by UNITED AIRLINES INC between Cincinnati Northern Kentucky International Airport (KCVG) and Denver International Airport (KDEN). The flight is most often flown by a AIRBUS Airbus A320. Typical block time is 2h 41m. SkyMeter has observed 39 legs of this flight number via ADS-B.

✈
FLIGHTS
39
last 90 days
⏱
AVG DURATION
2h 41m
tracked time
📅
SERVICE PERIOD
04/11/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
4 / 3
city pairs · airframes
⚠
INCIDENT RATE
10.3%
4 flagged

Routes flown

By count · last 90 days

1
KCVG → KDEN
36
avg 2h 49m · Cincinnati Northern Kentucky → Denver

Aircraft types

Equipment used on this number

3
A320 AIRBUS Airbus A320
16
B738 BOEING Boeing 737-800
15
B739 BOEING Boeing 737-900
10

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
3
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL1666

30
N75429BOEING Boeing 737-900
→
06/03/2026
2h 31m
No alerts
Replay Analysis
N34455BOEING Boeing 737-900
→
06/02/2026
2h 56m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
06/01/2026
2h 47m
△ Unstable
Replay Analysis
N61887BOEING Boeing 737-900
→
05/31/2026
2h 32m
No alerts
Replay Analysis
N38424BOEING Boeing 737-900
→
05/29/2026
2h 27m
No alerts
Replay Analysis
N66831BOEING Boeing 737-900
→
05/28/2026
2h 30m
No alerts
Replay Analysis
N38459BOEING Boeing 737-900
→
05/26/2026
12m
No alerts
Replay Analysis
N38459BOEING Boeing 737-900
→
05/26/2026
2h 37m
No alerts
Replay Analysis
N77431BOEING Boeing 737-900
→
05/25/2026
2h 42m
No alerts
Replay Analysis
N78448BOEING Boeing 737-900
→
05/23/2026
2h 46m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
05/21/2026
2h 33m
No alerts
Replay Analysis
N33286BOEING Boeing 737-800
→
05/18/2026
3h 15m
↻ Go-around
Replay Analysis
N79541BOEING Boeing 737-800
→
05/17/2026
2h 44m
No alerts
Replay Analysis
N37252BOEING Boeing 737-800
→
05/16/2026
1h 28m
△ Unstable
Replay Analysis
N37252BOEING Boeing 737-800
→
05/15/2026
1h 10m
No alerts
Replay Analysis
N37252BOEING Boeing 737-800
→
05/15/2026
2h 39m
△ Unstable
Replay Analysis
N79541BOEING Boeing 737-800
→
05/14/2026
3h 13m
No alerts
Replay Analysis
N76269BOEING Boeing 737-800
→
05/13/2026
3h 10m
No alerts
Replay Analysis
N34222BOEING Boeing 737-800
→
05/11/2026
2h 42m
No alerts
Replay Analysis
N17233BOEING Boeing 737-800
→
05/10/2026
3h 7m
No alerts
Replay Analysis
N76504BOEING Boeing 737-800
→
05/04/2026
2h 46m
No alerts
Replay Analysis
N87507BOEING Boeing 737-800
→
05/03/2026
2h 46m
No alerts
Replay Analysis
N17244BOEING Boeing 737-800
→
05/02/2026
2h 45m
No alerts
Replay Analysis
N76508BOEING Boeing 737-800
→
05/01/2026
3h 16m
△ Unstable
Replay Analysis
N76532BOEING Boeing 737-800
→
04/30/2026
2h 50m
No alerts
Replay Analysis
N458UAAIRBUS Airbus A320
→
04/27/2026
3h 7m
No alerts
Replay Analysis
N475UAAIRBUS Airbus A320
→
04/26/2026
2h 51m
No alerts
Replay Analysis
N466UAAIRBUS Airbus A320
→
04/25/2026
2h 51m
No alerts
Replay Analysis
N481UAAIRBUS Airbus A320
→
04/24/2026
2h 42m
No alerts
Replay Analysis
N462UAAIRBUS Airbus A320
→
04/23/2026
2h 42m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window