N309D

DUNLOP DAVID B · S31 MVW

N309D is operated by DUNLOP DAVID B between Lopez Island Airport (S31) and Skagit Regional Airport (KBVS). The flight is most often flown by a . Typical block time is 0h 34m. SkyMeter has observed 22 legs of this flight number via ADS-B.

FLIGHTS
22
last 90 days
AVG DURATION
34m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/13/2026
first → last seen
🗺
ROUTES / TYPES
14 / 1
city pairs · airframes
INCIDENT RATE
18.2%
4 flagged

Routes flown

By count · last 90 days

8
S31 KBVS
5
avg 15m · Lopez Island → Skagit
KBVS S31
3
avg 17m · Skagit → Lopez Island
1
avg 21m · Olympic Field → Friday Harbor
58WA S31
1
avg 2h 50m · Dye Seed Ranch Inc. → Lopez Island
1
avg 17m · Skagit → Whidbey Island Naval Air Station (Ault Field)
1
avg 10m · Grant County → Ephrata
KOKH S31
1
avg 10m · AJ Eisenberg → Lopez Island
KEPH S31
1
avg 1h 53m · Ephrata → Lopez Island

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 N309D

30
07/13/2026
10m
△ Low approach-stability score
07/12/2026
55m
No alerts
07/11/2026
37m
No alerts
07/10/2026
22m
No alerts
07/06/2026
2h 50m
No alerts
06/25/2026
25m
No alerts
06/24/2026
1h 19m
No alerts
06/21/2026
21m
No alerts
06/20/2026
23m
No alerts
06/18/2026
17m
No alerts
06/18/2026
17m
No alerts
06/17/2026
16m
No alerts
06/17/2026
16m
No alerts
06/04/2026
17m
△ Low approach-stability score
06/04/2026
19m
No alerts
05/14/2026
17m
No alerts
05/14/2026
11m
No alerts
04/30/2026
16m
△ Low approach-stability score
04/30/2026
13m
No alerts
04/27/2026
1h 53m
△ Low approach-stability score
04/27/2026
9m
No alerts
04/27/2026
26m
No alerts
04/25/2026
29m
No alerts
04/25/2026
55m
No alerts
04/23/2026
12m
△ Low approach-stability score
04/23/2026
13m
No alerts
04/04/2026
21m
No alerts
04/04/2026
9m
No alerts
03/31/2026
16m
No alerts
02/19/2026
10m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window