N
N331US
N331US LLC · SUO → HIO
N331US is operated by N331US LLC between Sunriver Airport (KS21) and Portland Hillsboro Airport (KHIO). The flight is most often flown by a LEARJET Bombardier Learjet 31. Typical block time is 0h 47m. SkyMeter has observed 37 legs of this flight number via ADS-B.
✈
FLIGHTS
37
last 90 days
⏱
AVG DURATION
47m
tracked time
📅
SERVICE PERIOD
5/29/2025 → 8/11/2026
first → last seen
🗺
ROUTES / TYPES
27 / 1
city pairs · airframes
⚠
INCIDENT RATE
10.8%
4 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
4
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 N331US
8/11/2026
34m
No alerts
8/11/2026
1h 40m
No alerts
8/11/2026
1h 34m
No alerts
8/9/2026
18m
No alerts
8/9/2026
1h 12m
No alerts
8/7/2026
29m
No alerts
8/7/2026
41m
△ Low approach-stability score
8/7/2026
27m
△ Low approach-stability score
7/28/2026
37m
No alerts
7/22/2026
39m
No alerts
7/22/2026
40m
No alerts
7/22/2026
20m
No alerts
7/15/2026
29m
No alerts
7/15/2026
26m
No alerts
7/15/2026
1h 31m
No alerts
7/15/2026
1h 43m
No alerts
7/15/2026
15m
No alerts
7/14/2026
22m
No alerts
7/14/2026
30m
No alerts
7/13/2026
25m
No alerts
7/13/2026
30m
No alerts
7/10/2026
44m
No alerts
7/10/2026
55m
△ Low approach-stability score
7/10/2026
10m
No alerts
7/9/2026
17m
No alerts
7/9/2026
28m
No alerts
7/9/2026
21m
△ Low approach-stability score
7/9/2026
37m
No alerts
7/2/2026
14m
No alerts
7/2/2026
1h 1m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window