N99EF is operated by ELLMAN AVIATION LLC between Westchester County Airport (KHPN) and Nantucket Memorial Airport (KACK). The flight is most often flown by a CESSNA Cessna Citation Sovereign. Typical block time is 1h 46m. SkyMeter has observed 29 legs of this flight number via ADS-B.

FLIGHTS
29
last 90 days
AVG DURATION
1h 46m
tracked time
📅
SERVICE PERIOD
06/01/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
18 / 1
city pairs · airframes
INCIDENT RATE
3.4%
1 flagged

Routes flown

By count · last 90 days

10
2
avg 28m · Westchester County → Nantucket
2
avg 35m · Norwood → Westchester County
1
avg 35m · Nantucket → Westchester County
1
avg 12m · Westchester County → New York Stewart
1
avg 3h 29m · Westchester County → Luis Munoz Marin
5B6 KOWD
1
avg 12m · Falmouth Airpark → Norwood
1
avg 31m · Westchester County → Mansfield
1
avg 3h 38m · Luis Munoz Marin → Westchester County
1
avg 1h 42m · Westchester County → John C Tune
1
avg 3h 27m · Luis Munoz Marin → Nantucket

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 N99EF

30
08/11/2026
12m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window