BKN21 is operated by SAINT LOUIS UNIVERSITY between St Louis Downtown Airport (KCPS) and St Louis Lambert International Airport (KSTL). The flight is most often flown by a DIAMOND Diamond 20 Katana. Typical block time is 0h 46m. SkyMeter has observed 129 legs of this flight number via ADS-B.

✈
FLIGHTS
129
last 90 days
⏱
AVG DURATION
46m
tracked time
📅
SERVICE PERIOD
05/30/2025 → 07/02/2026
first → last seen
🗺
ROUTES / TYPES
27 / 1
city pairs · airframes
⚠
INCIDENT RATE
1.6%
2 flagged

Routes flown

By count · last 90 days

10
KCPS → KSTL
7
avg 49m · St Louis Downtown → St Louis Lambert
KCPS → H49
6
avg 30m · St Louis Downtown → Sackman Field
94IL → KCPS
1
avg 27m · Lutz → St Louis Downtown
KCPS → K3K6
1
avg 16m · St Louis Downtown → St Louis Metro-East Airport/Shafer Field
KCPS → KCOU
1
avg 1h 3m · St Louis Downtown → Columbia
KK02 → KCPS
1
avg 22m · Perryville → St Louis Downtown
KCPS → KBLV
1
avg 1h 2m · St Louis Downtown → Scott AFB/Midamerica
1IL4 → KSTL
1
avg 17m · Flight Park Inc → St Louis Lambert
KSLO → KVLA
1
avg 8m · Salem Leckrone → Vandalia
7IS2 → KCPS
1
avg 2h 25m · Aero Estates → St Louis Downtown

Aircraft types

Equipment used on this number

1
DV20 DIAMOND Diamond 20 Katana
129

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 BKN21

30
N621PCDIAMOND Diamond 20 Katana
→
07/02/2026
1h 33m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
07/01/2026
1h 2m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
07/01/2026
1h 2m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
07/01/2026
1h 8m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
07/01/2026
1h 8m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
07/01/2026
1h 4m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
07/01/2026
1h 4m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/30/2026
1h 0m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/29/2026
1h 0m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/29/2026
1h 5m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/25/2026
47m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/25/2026
33m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/24/2026
48m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/23/2026
13m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/23/2026
11m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/23/2026
8m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/23/2026
2h 25m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/18/2026
56m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/18/2026
1h 21m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/15/2026
58m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/15/2026
53m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/15/2026
1h 0m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/12/2026
30m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/12/2026
1h 3m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/12/2026
57m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/10/2026
55m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/10/2026
13m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/10/2026
13m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/10/2026
25m
No alerts
Replay Analysis
N621PCDIAMOND Diamond 20 Katana
→
06/10/2026
18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window