N521S is operated by AVIATION PERFORMANCE SOLUTIONS LLC between San Carlos Apache Airport (KP13) and Phoenix-Mesa-Gateway Airport (KIWA). The flight is most often flown by a . Typical block time is 0h 49m. SkyMeter has observed 12 legs of this flight number via ADS-B.

✈
FLIGHTS
12
last 90 days
⏱
AVG DURATION
49m
tracked time
📅
SERVICE PERIOD
1/29/2026 → 8/14/2026
first → last seen
🗺
ROUTES / TYPES
2 / 1
city pairs · airframes
⚠
INCIDENT RATE
33.3%
4 flagged

Routes flown

By count · last 90 days

1
KP13 → KIWA
1
avg 29m · San Carlos Apache → Phoenix-Mesa-Gateway

Aircraft types

Equipment used on this number

1
S211 S211
12

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
4
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 14 operations of N521S

14
N521SS211
→
8/14/2026
29m
△ Low approach-stability score
Replay Analysis
N521SS211
→
8/14/2026
29m
No alerts
Replay Analysis
N521SS211
→
8/13/2026
1h 15m
No alerts
Replay Analysis
N521SS211
→
7/23/2026
48m
△ Low approach-stability score
Replay Analysis
N521SS211
→
7/16/2026
42m
No alerts
Replay Analysis
N521SS211
→
6/26/2026
1h 4m
No alerts
Replay Analysis
N521SS211
→
6/24/2026
19m
No alerts
Replay Analysis
N521SS211
→
6/18/2026
33m
△ Low approach-stability score
Replay Analysis
N521SS211
→
6/16/2026
1h 17m
No alerts
Replay Analysis
N521SS211
→
6/15/2026
43m
△ Low approach-stability score
Replay Analysis
N521SS211
→
5/28/2026
49m
No alerts
Replay Analysis
N521SS211
→
5/21/2026
1h 24m
No alerts
Replay Analysis
N521SS211
→
5/8/2026
59m
△ Low approach-stability score
Replay Analysis
N521SS211
→
1/29/2026
11m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window