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 23m. SkyMeter has observed 50 legs of this flight number via ADS-B.

✈
FLIGHTS
50
last 90 days
⏱
AVG DURATION
1h 23m
tracked time
📅
SERVICE PERIOD
6/9/2025 → 8/13/2026
first → last seen
🗺
ROUTES / TYPES
41 / 2
city pairs · airframes
⚠
INCIDENT RATE
2.0%
1 flagged

Routes flown

By count · last 90 days

10
KSUS → KSAT
4
avg 2h 42m · Spirit of St Louis → San Antonio
KSAT → KSUS
3
avg 2h 31m · San Antonio → Spirit of St Louis
KCMH → KSUS
2
avg 1h 34m · John Glenn Columbus → Spirit of St Louis
KSUS → KCOU
2
avg 22m · Spirit of St Louis → Columbia
KSAT → KAMW
1
avg 3h 4m · San Antonio → Ames
KAMW → KSUS
1
avg 1h 3m · Ames → Spirit of St Louis
KDTO → KSAT
1
avg 59m · Denton → San Antonio
KSUS → KCMH
1
avg 1h 21m · Spirit of St Louis → John Glenn Columbus
KSUS → KMKC
1
avg 48m · Spirit of St Louis → Charles B. Wheeler Downtown
KAIZ → KSUS
1
avg 22m · Lee C Fine → Spirit of St Louis

Aircraft types

Equipment used on this number

2
B350 BEECH Beech Super King Air 350
39
BE30 RAYTHEON-BEECH Raytheon 300 Super King Air
13

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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
→
8/13/2026
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
N21RFBEECH Beech Super King Air 350
→
7/28/2026
1h 3m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/9/2026
1h 26m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/9/2026
1h 27m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/8/2026
20m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/1/2026
32m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
7/1/2026
30m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
6/30/2026
1h 3m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
6/30/2026
3h 4m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
6/29/2026
2h 48m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
6/25/2026
2h 36m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
6/25/2026
2h 42m
No alerts
Replay Analysis
N21RFBEECH Beech Super King Air 350
→
6/20/2026
2h 29m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window