N421DH is operated by NANA UNLIMITED LLC between Hill Country Memorial Hospital Heliport (US-0975) and Conroe-North Houston Regional Airport (KCXO). The flight is most often flown by a CESSNA Cessna Golden Eagle 421. Typical block time is 1h 4m. SkyMeter has observed 48 legs of this flight number via ADS-B.

✈
FLIGHTS
48
last 90 days
⏱
AVG DURATION
1h 4m
tracked time
📅
SERVICE PERIOD
6/12/2025 → 8/14/2026
first → last seen
🗺
ROUTES / TYPES
33 / 1
city pairs · airframes
⚠
INCIDENT RATE
2.1%
1 flagged

Routes flown

By count · last 90 days

10
US-0975 → KCXO
4
avg 1h 2m · Hill Country Memorial Hospital Heliport → Conroe-North Houston
KACT → KCXO
3
avg 44m · Waco → Conroe-North Houston
KCXO → KSAT
3
avg 1h 10m · Conroe-North Houston → San Antonio
KCXO → KACT
2
avg 41m · Conroe-North Houston → Waco
KSAT → KT82
2
avg 25m · San Antonio → Gillespie County
KGSH → KMDW
2
avg 34m · Goshen → Chicago Midway
US-0975 → KIAH
2
avg 58m · Hill Country Memorial Hospital Heliport → George Bush Intercontinental Houston
KMDW → KSGF
1
avg 2h 0m · Chicago Midway → Springfield Branson National
KCXO → KT82
1
avg 1h 1m · Conroe-North Houston → Gillespie County
TE41 → KT82
1
avg 57m · Montgomery Co Law Enforcement Cntr Heliport → Gillespie County

Aircraft types

Equipment used on this number

1
C421 CESSNA Cessna Golden Eagle 421
54

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 N421DH

30
N421DHCESSNA Cessna Golden Eagle 421
→
8/14/2026
1h 11m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/14/2026
49m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/11/2026
44m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/11/2026
42m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/7/2026
1h 5m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/7/2026
1h 14m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/7/2026
1h 5m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/7/2026
1h 5m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/7/2026
1h 32m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/6/2026
1h 42m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/6/2026
6h 4m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/5/2026
2h 44m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/5/2026
54m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/5/2026
1h 0m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/4/2026
42m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
8/4/2026
41m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/31/2026
2h 7m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/31/2026
1h 35m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/30/2026
1h 59m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/30/2026
23m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/30/2026
32m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/30/2026
6m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/30/2026
7m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/29/2026
35m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/29/2026
35m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/29/2026
1h 31m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/29/2026
2h 54m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/26/2026
59m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/26/2026
55m
No alerts
Replay Analysis
N421DHCESSNA Cessna Golden Eagle 421
→
7/26/2026
1h 6m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window