N21NB is operated by NORTHBOUND AIR LLC between Springdale Municipal Airport (KASG) and Naples Municipal Airport (KAPF). The flight is most often flown by a LEARJET Bombardier Learjet 45. Typical block time is 1h 31m. SkyMeter has observed 58 legs of this flight number via ADS-B.

✈
FLIGHTS
58
last 90 days
⏱
AVG DURATION
1h 31m
tracked time
📅
SERVICE PERIOD
06/05/2025 → 07/05/2026
first → last seen
🗺
ROUTES / TYPES
49 / 1
city pairs · airframes
⚠
INCIDENT RATE
5.2%
3 flagged

Routes flown

By count · last 90 days

10
KASG → KAPF
4
avg 2h 13m · Springdale → Naples
KASG → KTKI
2
avg 39m · Springdale → Collin County Regional At Mc Kinney
KDAL → KASG
2
avg 48m · Dallas Love Field → Springdale
KFCM → KASG
2
avg 1h 35m · Flying Cloud → Springdale
KASG → KFCM
2
avg 1h 22m · Springdale → Flying Cloud
KTKI → KASG
2
avg 44m · Collin County Regional At Mc Kinney → Springdale
KBDR → KPYM
1
avg 32m · Igor I Sikorsky → Plymouth
KFXE → KASG
1
avg 2h 42m · Fort Lauderdale Executive → Springdale
KASG → KAUS
1
avg 1h 12m · Springdale → Austin Bergstrom
KASG → KFMH
1
avg 2h 53m · Springdale → Cape Cod Coast Guard Air Station

Aircraft types

Equipment used on this number

1
LJ45 LEARJET Bombardier Learjet 45
64

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 N21NB

30
N21NBLEARJET Bombardier Learjet 45
→
07/05/2026
2h 25m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
07/03/2026
1h 0m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
07/02/2026
2h 18m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
07/02/2026
3h 18m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
07/02/2026
3h 12m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
07/02/2026
27m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
07/02/2026
2h 11m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
07/01/2026
1h 1m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/30/2026
1h 40m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/30/2026
2h 42m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/30/2026
3h 25m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/30/2026
1h 16m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/28/2026
1h 54m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/28/2026
1h 35m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/28/2026
2h 9m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/27/2026
27m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/27/2026
20m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/25/2026
43m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/25/2026
1h 4m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/25/2026
2h 16m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/25/2026
1h 35m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/21/2026
3h 9m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/19/2026
18m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/19/2026
20m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/18/2026
2h 52m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/13/2026
1h 55m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/12/2026
1h 26m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/03/2026
32m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
06/03/2026
32m
No alerts
Replay Analysis
N21NBLEARJET Bombardier Learjet 45
→
05/31/2026
2h 23m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window