UAL566 is operated by UNITED AIRLINES INC between Sacramento International Airport (KSMF) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 1h 53m. SkyMeter has observed 54 legs of this flight number via ADS-B.

✈
FLIGHTS
54
last 90 days
⏱
AVG DURATION
1h 53m
tracked time
📅
SERVICE PERIOD
04/11/2026 → 06/02/2026
first → last seen
🗺
ROUTES / TYPES
3 / 5
city pairs · airframes
⚠
INCIDENT RATE
11.1%
6 flagged

Routes flown

By count · last 90 days

1
KSMF → KDEN
33
avg 2h 19m · Sacramento → Denver

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
89
B738 BOEING Boeing 737-800
12
A320 AIRBUS Airbus A320
9
A21N AIRBUS Airbus A321 Neo
3
B39M BOEING Boeing 737 MAX 9
3

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
6
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 UAL566

30
N62894BOEING Boeing 737-900
→
06/03/2026
1h 50m
No alerts
Replay Analysis
N62894BOEING Boeing 737-900
→
06/02/2026
2h 19m
No alerts
Replay Analysis
N62894BOEING Boeing 737-900
→
06/02/2026
28m
No alerts
Replay Analysis
N17233BOEING Boeing 737-800
→
06/02/2026
2h 13m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
06/01/2026
1h 58m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
05/31/2026
23m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
05/31/2026
2h 21m
No alerts
Replay Analysis
N432UAAIRBUS Airbus A320
→
05/31/2026
1h 36m
No alerts
Replay Analysis
N36469BOEING Boeing 737-900
→
05/29/2026
34m
No alerts
Replay Analysis
N62892BOEING Boeing 737-900
→
05/29/2026
1h 31m
No alerts
Replay Analysis
N62892BOEING Boeing 737-900
→
05/28/2026
39m
No alerts
Replay Analysis
N62892BOEING Boeing 737-900
→
05/28/2026
2h 17m
No alerts
Replay Analysis
N69806BOEING Boeing 737-900
→
05/28/2026
1h 43m
No alerts
Replay Analysis
N62884BOEING Boeing 737-900
→
05/27/2026
1h 31m
No alerts
Replay Analysis
N62884BOEING Boeing 737-900
→
05/26/2026
2h 19m
No alerts
Replay Analysis
N62884BOEING Boeing 737-900
→
05/26/2026
47m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
05/26/2026
1h 29m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
05/25/2026
2h 31m
No alerts
Replay Analysis
N75429BOEING Boeing 737-900
→
05/25/2026
43m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
05/25/2026
1h 36m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
05/24/2026
2h 25m
No alerts
Replay Analysis
N26215BOEING Boeing 737-800
→
05/24/2026
48m
No alerts
Replay Analysis
N457UAAIRBUS Airbus A320
→
05/24/2026
1h 30m
△ Unstable
Replay Analysis
N457UAAIRBUS Airbus A320
→
05/23/2026
48m
No alerts
Replay Analysis
N457UAAIRBUS Airbus A320
→
05/23/2026
2h 24m
△ Unstable
Replay Analysis
N68453BOEING Boeing 737-900
→
05/23/2026
1h 36m
△ Unstable
Replay Analysis
N68453BOEING Boeing 737-900
→
05/22/2026
37m
No alerts
Replay Analysis
N37465BOEING Boeing 737-900
→
05/22/2026
1h 25m
No alerts
Replay Analysis
N37465BOEING Boeing 737-900
→
05/21/2026
46m
No alerts
Replay Analysis
N37465BOEING Boeing 737-900
→
05/21/2026
2h 12m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window