Flight Status & Tracker

N421MD

CLEAR BLUE SKY AVIATION LLC · BIL → APA · Last tracked Oct 8, 2026

N421MD is a flight number operated by CLEAR BLUE SKY AVIATION LLC between Billings Logan International Airport (KBIL) and Centennial Airport (KAPA). SkyMeter last tracked N421MD on October 8, 2026. The flight is most often flown by a CESSNA Cessna Golden Eagle 421. Typical block time is 1h 26m. SkyMeter has observed 31 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
31
last 90 days
⏱
AVG DURATION
1h 26m
tracked time
📅
SERVICE PERIOD
5/29/2025 → 10/8/2026
first → last seen
🗺
ROUTES / TYPES
22 / 1
city pairs · airframes
⚠
INCIDENT RATE
9.7%
3 flagged

Routes flown

By count · last 90 days

10
KBZN → KBIL
2
avg 38m · Gallatin Field → Billings Logan
KBIL → KAPA
2
avg 2h 37m · Billings Logan → Centennial
9U1 → KBZN
1
avg 10m · Wilsall → Gallatin Field
MT25 → KBIL
1
avg 5m · St Vincent Hospital Heliport → Billings Logan
KMSO → KBZN
1
avg 1h 5m · Missoula → Gallatin Field
KBIL → K6S8
1
avg 2h 33m · Billings Logan → Laurel
KBIL → KLGU
1
avg 4h 31m · Billings Logan → Logan-Cache
KBIL → KBZN
1
avg 3h 6m · Billings Logan → Gallatin Field
K6S8 → KBIL
1
avg 8m · Laurel → Billings Logan
KBZN → KHLN
1
avg 22m · Gallatin Field → Helena

Aircraft types

Equipment used on this number

1
C421 CESSNA Cessna Golden Eagle 421
33

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 N421MD

30
N421MDCESSNA Cessna Golden Eagle 421
→
10/8/2026
7m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
10/8/2026
1h 12m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
10/7/2026
34m
△ Low approach-stability score
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
10/7/2026
1h 5m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
10/7/2026
22m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
10/7/2026
44m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
10/1/2026
1h 2m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
10/1/2026
5m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
10/1/2026
3h 5m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/30/2026
8m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/30/2026
2h 32m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/29/2026
58m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/27/2026
4h 31m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/21/2026
2h 46m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/21/2026
1h 52m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/21/2026
4h 39m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/17/2026
3h 37m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/17/2026
12m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/13/2026
2h 16m
△ Low approach-stability score
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/6/2026
40m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/6/2026
9m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/6/2026
9m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/4/2026
41m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
9/4/2026
3h 5m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
8/30/2026
1h 16m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
8/29/2026
4h 31m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
8/19/2026
1h 31m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
8/19/2026
2h 9m
△ Low approach-stability score
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
8/17/2026
24m
No alerts
Replay Analysis
N421MDCESSNA Cessna Golden Eagle 421
→
8/15/2026
6m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window