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 7m. SkyMeter has observed 185 legs of this flight number via ADS-B.

✈
FLIGHTS
185
last 90 days
⏱
AVG DURATION
1h 7m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/6/2026
first → last seen
🗺
ROUTES / TYPES
52 / 1
city pairs · airframes
⚠
INCIDENT RATE
13.5%
25 flagged

Routes flown

By count · last 90 days

10
KPAO → KSFO
5
avg 1h 3m · Palo Alto Airport of Santa Clara County → San Francisco
KPAO → KTCY
4
avg 56m · Palo Alto Airport of Santa Clara County → Tracy
KPAO → KVCB
3
avg 1h 14m · Palo Alto Airport of Santa Clara County → Nut Tree
KPAO → KOAK
3
avg 1h 29m · Palo Alto Airport of Santa Clara County → Metropolitan Oakland
KPAO → KSNS
3
avg 1h 33m · Palo Alto Airport of Santa Clara County → Salinas
KPAO → KHWD
3
avg 1h 4m · Palo Alto Airport of Santa Clara County → Hayward Executive
KTCY → KPAO
3
avg 1h 14m · Tracy → Palo Alto Airport of Santa Clara County
KPAO → KMRY
3
avg 53m · Palo Alto Airport of Santa Clara County → Monterey Peninsula
KPAO → KF72
2
avg 57m · Palo Alto Airport of Santa Clara County → Franklin Field
KSNS → KPAO
2
avg 45m · Salinas → Palo Alto Airport of Santa Clara County

Aircraft types

Equipment used on this number

1
C172 CESSNA Cessna Skyhawk 172/Cutlass
187

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
25
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
→
9/6/2026
52m
△ Low approach-stability score
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/6/2026
1h 21m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/6/2026
1h 22m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/5/2026
2h 11m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/5/2026
1h 14m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/4/2026
1h 3m
△ Low approach-stability score
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/4/2026
55m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/4/2026
52m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/2/2026
53m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/2/2026
32m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/1/2026
1h 34m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
9/1/2026
1h 48m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/30/2026
47m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/30/2026
1h 21m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/30/2026
1h 0m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/29/2026
56m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/29/2026
1h 6m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/29/2026
1h 18m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/29/2026
11m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/28/2026
42m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/28/2026
39m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/28/2026
16m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/28/2026
1h 40m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/28/2026
1h 10m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/27/2026
1h 26m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/27/2026
19m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/26/2026
1h 12m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/26/2026
1h 38m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/25/2026
1h 32m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
8/25/2026
1h 35m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window