N644SD

SIERRA DELTA LLC · LNS → BHB

N644SD is operated by SIERRA DELTA LLC between Lancaster Airport (KLNS) and Hancock County-Bar Harbor Airport (KBHB). The flight is most often flown by a PILATUS Pilatus PC-12. Typical block time is 3h 20m. SkyMeter has observed 4 legs of this flight number via ADS-B.

✈
FLIGHTS
4
last 90 days
⏱
AVG DURATION
3h 20m
tracked time
📅
SERVICE PERIOD
11/22/2025 → 06/27/2026
first → last seen
🗺
ROUTES / TYPES
4 / 1
city pairs · airframes
⚠
INCIDENT RATE
25.0%
1 flagged

Routes flown

By count · last 90 days

4
KLNS → KBHB
1
avg 2h 7m · Lancaster → Hancock County-Bar Harbor
KBHB → KLNS
1
avg 2h 4m · Hancock County-Bar Harbor → Lancaster
KEWK → KLNS
1
avg 3h 59m · Newton City-County → Lancaster
KLNS → KEWK
1
avg 5h 10m · Lancaster → Newton City-County

Aircraft types

Equipment used on this number

1
PC12 PILATUS Pilatus PC-12
4

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 10 operations of N644SD

10
N644SDPILATUS Pilatus PC-12
→
06/27/2026
3h 59m
No alerts
Replay Analysis
N644SDPILATUS Pilatus PC-12
→
06/21/2026
5h 9m
No alerts
Replay Analysis
N644SDPILATUS Pilatus PC-12
→
06/05/2026
2h 4m
△ Unstable approach
Replay Analysis
N644SDPILATUS Pilatus PC-12
→
06/03/2026
2h 6m
No alerts
Replay Analysis
N644SDPILATUS Pilatus PC-12
→
01/02/2026
3h 34m
No alerts
Replay Analysis
N644SDPILATUS Pilatus PC-12
→
12/28/2025
5h 38m
No alerts
Replay Analysis
N644SDPILATUS Pilatus PC-12
→
11/23/2025
1h 29m
No alerts
Replay Analysis
N644SDPILATUS Pilatus PC-12
→
11/22/2025
46m
No alerts
Replay Analysis
N644SDPILATUS Pilatus PC-12
→
11/22/2025
2h 16m
No alerts
Replay Analysis
N644SDPILATUS Pilatus PC-12
→
11/22/2025
1h 41m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window