N401S is operated by UNDERHILL HOLDINGS LLC between East Hampton Airport (KHTO) and Tweed New Haven Airport (KHVN). The flight is most often flown by a CESSNA Cessna 208 Caravan 1. Typical block time is 0h 38m. SkyMeter has observed 110 legs of this flight number via ADS-B.

✈
FLIGHTS
110
last 90 days
⏱
AVG DURATION
38m
tracked time
📅
SERVICE PERIOD
7/27/2025 → 8/14/2026
first → last seen
🗺
ROUTES / TYPES
68 / 1
city pairs · airframes
⚠
INCIDENT RATE
4.5%
5 flagged

Routes flown

By count · last 90 days

10
KHTO → KHVN
5
avg 16m · East Hampton → Tweed New Haven
KHVN → KTEB
4
avg 30m · Tweed New Haven → Teterboro
KHVN → KFOK
4
avg 54m · Tweed New Haven → Francis S Gabreski
KTEB → KMTP
3
avg 41m · Teterboro → Montauk
KHVN → KHTO
3
avg 15m · Tweed New Haven → East Hampton
KTEB → KHTO
3
avg 38m · Teterboro → East Hampton
KHVN → KMTP
3
avg 20m · Tweed New Haven → Montauk
49NY → KHVN
2
avg 15m · Westmoreland → Tweed New Haven
KHVN → KHFD
2
avg 23m · Tweed New Haven → Hartford Brainard
KFOK → KHVN
2
avg 58m · Francis S Gabreski → Tweed New Haven

Aircraft types

Equipment used on this number

1
C208 CESSNA Cessna 208 Caravan 1
110

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
5
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 N401S

30
N401SCESSNA Cessna 208 Caravan 1
→
8/14/2026
13m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/14/2026
26m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/14/2026
33m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/14/2026
24m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/14/2026
13m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/13/2026
23m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/13/2026
38m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/13/2026
42m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/13/2026
19m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/10/2026
1h 4m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/10/2026
1h 1m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/10/2026
50m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/10/2026
32m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/9/2026
19m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/9/2026
14m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/8/2026
1h 13m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/8/2026
1h 47m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/7/2026
19m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/7/2026
30m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/7/2026
29m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/7/2026
39m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/7/2026
18m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/7/2026
24m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/6/2026
1h 8m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/4/2026
43m
△ Low approach-stability score
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/4/2026
1h 33m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/4/2026
54m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/2/2026
33m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
7/31/2026
14m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
7/31/2026
40m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window