N21RF is operated by FLYING HIGH PARTNERS LLC between Spirit of St Louis Airport (KSUS) and San Antonio International Airport (KSAT). The flight is most often flown by a BEECH Beech Super King Air 350. Typical block time is 1h 35m. SkyMeter has observed 49 legs of this flight number via ADS-B.

✈
FLIGHTS
49
last 90 days
⏱
AVG DURATION
1h 35m
tracked time
📅
SERVICE PERIOD
6/9/2025 → 8/31/2026
first → last seen
🗺
ROUTES / TYPES
36 / 1
city pairs · airframes
⚠
INCIDENT RATE
4.1%
2 flagged

Routes flown

By count · last 90 days

10
KSUS → KSAT
5
avg 2h 41m · Spirit of St Louis → San Antonio
KSAT → KSUS
4
avg 2h 32m · San Antonio → Spirit of St Louis
KAMW → KSUS
2
avg 58m · Ames → Spirit of St Louis
KSAT → KAMW
2
avg 3h 6m · San Antonio → Ames
KSUS → KALO
2
avg 1h 0m · Spirit of St Louis → Waterloo
KSUS → KPBI
1
avg 3h 21m · Spirit of St Louis → Palm Beach
KDTO → KSAT
1
avg 59m · Denton → San Antonio
KSUS → KMKC
1
avg 48m · Spirit of St Louis → Charles B. Wheeler Downtown
KK15 → KMKC
1
avg 24m · Grand Glaize Osage Beach → Charles B. Wheeler Downtown
KGLY → KSUS
1
avg 32m · Clinton → Spirit of St Louis

Aircraft types

Equipment used on this number

1
B350 BEECH Beech Super King Air 350
51

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 N21RF

30
N21RFBEECH Beech Super King Air 350
→
8/31/2026
43m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/31/2026
58m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/24/2026
52m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/24/2026
3h 8m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/23/2026
2h 34m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/21/2026
2h 34m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/21/2026
2h 47m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/21/2026
1h 0m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/19/2026
46m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/18/2026
24m
△ Low approach-stability score
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/18/2026
22m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/18/2026
1h 50m
△ Low approach-stability score
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/13/2026
1h 59m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/13/2026
1h 49m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/13/2026
23m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/12/2026
39m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/12/2026
48m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/12/2026
22m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/11/2026
1h 44m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/11/2026
1h 55m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/11/2026
3h 21m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
8/7/2026
1h 19m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/31/2026
2h 29m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/31/2026
59m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/31/2026
1h 48m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/29/2026
1h 54m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/29/2026
1h 17m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/29/2026
5m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/29/2026
2h 36m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/28/2026
52m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window