N1004E

UNISON AIR LLC · PAO → SFO

N1004E is operated by UNISON AIR LLC between Palo Alto Airport of Santa Clara County (KPAO) and San Francisco International Airport (KSFO). The flight is most often flown by a CESSNA Cessna Skyhawk 172/Cutlass. Typical block time is 1h 4m. SkyMeter has observed 132 legs of this flight number via ADS-B.

✈
FLIGHTS
132
last 90 days
⏱
AVG DURATION
1h 4m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
42 / 1
city pairs · airframes
⚠
INCIDENT RATE
15.2%
20 flagged

Routes flown

By count · last 90 days

10
KPAO → KSFO
5
avg 1h 1m · Palo Alto Airport of Santa Clara County → San Francisco
KPAO → KHWD
3
avg 1h 4m · Palo Alto Airport of Santa Clara County → Hayward Executive
KPAO → KVCB
3
avg 1h 14m · Palo Alto Airport of Santa Clara County → Nut Tree
KPAO → KOAK
3
avg 1h 22m · Palo Alto Airport of Santa Clara County → Metropolitan Oakland
KVCB → KPAO
2
avg 45m · Nut Tree → Palo Alto Airport of Santa Clara County
KPAO → KSQL
2
avg 14m · Palo Alto Airport of Santa Clara County → San Carlos
KF72 → KPAO
2
avg 1h 2m · Franklin Field → Palo Alto Airport of Santa Clara County
KPAO → KFAT
2
avg 1h 45m · Palo Alto Airport of Santa Clara County → Fresno Yosemite
KPAO → KF72
2
avg 57m · Palo Alto Airport of Santa Clara County → Franklin Field
KPAO → KLVK
2
avg 1h 6m · Palo Alto Airport of Santa Clara County → Livermore

Aircraft types

Equipment used on this number

1
C172 CESSNA Cessna Skyhawk 172/Cutlass
134

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
20
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 N1004E

30
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/19/2026
56m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/18/2026
45m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/18/2026
54m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/17/2026
1h 20m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/16/2026
49m
△ Low approach-stability score
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/16/2026
1h 5m
△ Low approach-stability score
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/16/2026
1h 29m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/16/2026
1h 53m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/16/2026
1h 10m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/16/2026
48m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/15/2026
34m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/15/2026
1h 11m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/15/2026
1h 2m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/14/2026
37m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/14/2026
1h 43m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/14/2026
44m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/14/2026
38m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/11/2026
1h 15m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/11/2026
51m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/11/2026
45m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/11/2026
1h 20m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/10/2026
1h 49m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/10/2026
28m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/10/2026
49m
△ Low approach-stability score
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/10/2026
1h 1m
△ Low approach-stability score
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/09/2026
14m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/08/2026
1h 19m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/07/2026
1h 29m
△ Low approach-stability score
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/06/2026
51m
△ Low approach-stability score
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
07/06/2026
24m
△ Low approach-stability score
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window