N4BZ is operated by BUNKER HILL AVIATION LLC between Sumter Airport (KSMS) and Charleston Air Force Base-International Airport (KCHS). The flight is most often flown by a BOMBARDIER Bombardier Challenger 350. Typical block time is 0h 49m. SkyMeter has observed 74 legs of this flight number via ADS-B.

FLIGHTS
74
last 90 days
AVG DURATION
49m
tracked time
📅
SERVICE PERIOD
5/29/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
56 / 1
city pairs · airframes
INCIDENT RATE
4.1%
3 flagged

Routes flown

By count · last 90 days

10
3
avg 1h 3m · Sumter → Charleston Air Force Base-International
2
avg 35m · DeKalb Peachtree → Sumter
2
avg 1h 4m · Greenville Spartanburg → Bay Minette
2
avg 1h 8m · Charleston Air Force Base-International → DeKalb Peachtree
2
avg 19m · Greenville Spartanburg → Sumter
2
avg 1h 34m · Sumter → Chicago Midway
2
avg 10m · Shaw Air Force Base → Columbia Metropolitan
1
avg 34m · Sumter → Elizabethton
1
avg 46m · Memphis → Louisiana
1
avg 1h 7m · Sumter → The Ohio State University Airport - Don Scott Field

Aircraft types

Equipment used on this number

1

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 N4BZ

30
7/30/2026
43m
△ Low approach-stability score
7/14/2026
2h 18m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window