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 37m. SkyMeter has observed 154 legs of this flight number via ADS-B.

✈
FLIGHTS
154
last 90 days
⏱
AVG DURATION
37m
tracked time
📅
SERVICE PERIOD
7/27/2025 → 8/31/2026
first → last seen
🗺
ROUTES / TYPES
78 / 1
city pairs · airframes
⚠
INCIDENT RATE
7.1%
11 flagged

Routes flown

By count · last 90 days

10
KHTO → KHVN
10
avg 17m · East Hampton → Tweed New Haven
KHVN → KHTO
8
avg 35m · Tweed New Haven → East Hampton
KHVN → KTEB
7
avg 33m · Tweed New Haven → Teterboro
KTEB → KHTO
5
avg 37m · Teterboro → East Hampton
KHVN → KMTP
5
avg 43m · Tweed New Haven → Montauk
KTEB → KHVN
5
avg 36m · Teterboro → Tweed New Haven
KHVN → KFOK
4
avg 54m · Tweed New Haven → Francis S Gabreski
KTEB → KMTP
4
avg 40m · Teterboro → Montauk
KMTP → KHVN
3
avg 23m · Montauk → Tweed New Haven
KMTP → KTEB
3
avg 39m · Montauk → Teterboro

Aircraft types

Equipment used on this number

1
C208 CESSNA Cessna 208 Caravan 1
158

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
11
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
→
8/31/2026
38m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/31/2026
30m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/31/2026
51m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/30/2026
20m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/30/2026
36m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/30/2026
2h 32m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/30/2026
41m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/29/2026
56m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/28/2026
16m
△ Low approach-stability score
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/28/2026
31m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/28/2026
40m
△ Low approach-stability score
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/28/2026
1h 53m
△ Low approach-stability score
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/28/2026
23m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/27/2026
15m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/27/2026
29m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/27/2026
36m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/24/2026
45m
△ Low approach-stability score
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/24/2026
25m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/24/2026
20m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/24/2026
24m
△ Low approach-stability score
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/24/2026
20m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/23/2026
28m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/23/2026
36m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/22/2026
17m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/22/2026
32m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/22/2026
2h 14m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/22/2026
42m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/21/2026
21m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/21/2026
42m
No alerts
Replay Analysis
N401SCESSNA Cessna 208 Caravan 1
→
8/21/2026
23m
△ Low approach-stability score
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window