COS4 is operated by SAN JOAQUIN DOOR & SUPPLY INC between Oxnard Airport (KOXR) and Lake Havasu City Airport (KHII). The flight is most often flown by a EMBRAER Embraer 500 Phenom 100. Typical block time is 2h 14m. SkyMeter has observed 6 legs of this flight number via ADS-B.

✈
FLIGHTS
6
last 90 days
⏱
AVG DURATION
2h 14m
tracked time
📅
SERVICE PERIOD
06/03/2025 → 07/18/2026
first → last seen
🗺
ROUTES / TYPES
4 / 1
city pairs · airframes
⚠
INCIDENT RATE
16.7%
1 flagged

Routes flown

By count · last 90 days

3
KOXR → KHII
2
avg 1h 2m · Oxnard → Lake Havasu City
KHII → KOXR
1
avg 59m · Lake Havasu City → Oxnard
KOXR → KBFI
1
avg 2h 22m · Oxnard → Boeing Field King County

Aircraft types

Equipment used on this number

1
E50P EMBRAER Embraer 500 Phenom 100
8

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 COS4

30
N914EGEMBRAER Embraer 500 Phenom 100
→
07/18/2026
2h 22m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
07/14/2026
1h 0m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
07/13/2026
1h 3m
△ Low approach-stability score
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
06/05/2026
58m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
06/03/2026
1h 2m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
04/30/2026
1h 45m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
04/30/2026
1h 46m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
04/30/2026
7h 3m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
04/20/2026
2h 0m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
04/20/2026
1h 55m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
03/13/2026
1h 27m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
03/12/2026
54m
△ Low approach-stability score
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
03/12/2026
1h 18m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
02/25/2026
1h 54m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
02/25/2026
2h 50m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
02/24/2026
33m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
02/24/2026
3h 23m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
12/18/2025
1h 51m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
12/18/2025
1h 49m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
12/18/2025
5h 20m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
11/14/2025
3h 10m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
11/14/2025
1h 18m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
11/13/2025
2h 23m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
11/13/2025
3h 42m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
11/12/2025
3h 4m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
11/12/2025
1h 25m
△ Low approach-stability score
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
11/11/2025
55m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
11/11/2025
2h 21m
△ Low approach-stability score
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
11/11/2025
11m
No alerts
Replay Analysis
N914EGEMBRAER Embraer 500 Phenom 100
→
10/29/2025
10m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window