LBQ421 is operated by QUEST DIAGNOSTICS CLINICAL LABORATORIES INC between Gwinnett County Briscoe Field (KLZU) and Birmingham-Shuttlesworth International Airport (KBHM). The flight is most often flown by a PILATUS Pilatus PC-12. Typical block time is 1h 11m. SkyMeter has observed 18 legs of this flight number via ADS-B.

FLIGHTS
18
last 90 days
AVG DURATION
1h 11m
tracked time
📅
SERVICE PERIOD
07/02/2025 → 08/18/2026
first → last seen
🗺
ROUTES / TYPES
14 / 1
city pairs · airframes
INCIDENT RATE
16.7%
3 flagged

Routes flown

By count · last 90 days

10
2
avg 43m · Gwinnett County Briscoe Field → Birmingham-Shuttlesworth
2
avg 2h 6m · Birmingham-Shuttlesworth → Tulsa
1
avg 37m · Heart of Georgia → Jacksonville Executive at Craig
1
avg 1h 5m · Piedmont Triad → Gwinnett County Briscoe Field
1
avg 2h 7m · Birmingham-Shuttlesworth → Dallas Love Field
1
avg 45m · Manassas Regional Airport/Harry P. Davis Field → Reading Regional Carl A Spaatz Field
1
avg 53m · Reading Regional Carl A Spaatz Field → Allegheny County
1
avg 2h 24m · Tulsa → Lee Gilmer
1
avg 1h 7m · Jacksonville Executive at Craig → Gwinnett County Briscoe Field
1
avg 2h 30m · Tulsa → Covington

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 LBQ421

30
08/18/2026
2h 7m
△ Low approach-stability score
08/05/2026
15m
△ Low approach-stability score
08/04/2026
2h 23m
△ Low approach-stability score
06/08/2026
37m
△ Low approach-stability score
05/22/2026
1h 3m
⛨ TFR entry
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window