N
N551X is a flight number operated by HELM THOMAS N between Appleton International Airport (KATW) and Wittman Regional Airport (KOSH). SkyMeter last tracked N551X on October 9, 2026. The flight is most often flown by a . Typical block time is 0h 19m. SkyMeter has observed 8 legs of this flight number via ADS-B.
SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.
✈
FLIGHTS
8
last 90 days
⏱
AVG DURATION
19m
tracked time
📅
SERVICE PERIOD
7/1/2025 → 10/9/2026
first → last seen
🗺
ROUTES / TYPES
5 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 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
0
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 N551X
6/19/2026
24m
△ Low approach-stability score
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window