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

10
3
avg 27m · Sunriver → Portland Hillsboro
3
avg 56m · Portland Hillsboro → Portland
2
avg 32m · Portland Hillsboro → Portland Troutdale
2
avg 1h 38m · Portland Hillsboro → Hayward Executive
2
avg 37m · Bend → Portland Hillsboro
1
avg 21m · Portland Troutdale → Sunriver
1
avg 39m · Walla Walla → Portland Hillsboro
1
avg 8m · Portland → Portland Hillsboro
1
avg 1h 47m · Billings Logan → Portland Hillsboro
1
avg 42m · Portland Troutdale → Bend

Aircraft types

Equipment used on this number

1

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

30
8/7/2026
41m
△ Low approach-stability score
8/7/2026
27m
△ Low approach-stability score
7/10/2026
55m
△ Low approach-stability score
7/9/2026
21m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window