UAL3866 is operated by UNITED AIRLINES INC. The flight is most often flown by a BOEING Boeing 767-300. Typical block time is 1h 30m. SkyMeter has observed 3 legs of this flight number via ADS-B.

✈
FLIGHTS
3
last 90 days
⏱
AVG DURATION
1h 30m
tracked time
📅
SERVICE PERIOD
05/21/2026 → 05/31/2026
first → last seen
🗺
ROUTES / TYPES
0 / 3
city pairs · airframes
⚠
INCIDENT RATE
66.7%
2 flagged

Routes flown

By count · last 90 days

0

No routes recorded.

Aircraft types

Equipment used on this number

3
B763 BOEING Boeing 767-300
1
B737 BOEING Boeing 737-700
1
B772 BOEING Boeing 777-200
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 3 operations of UAL3866

3
N684UABOEING Boeing 767-300
→
05/31/2026
1h 19m
△ Unstable
Replay Analysis
N15751BOEING Boeing 737-700
→
05/25/2026
1h 43m
No alerts
Replay Analysis
N211UABOEING Boeing 777-200
→
05/21/2026
1h 26m
△ Unstable
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window