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 162 legs of this flight number via ADS-B.

✈
FLIGHTS
162
last 90 days
⏱
AVG DURATION
1h 7m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
51 / 1
city pairs · airframes
⚠
INCIDENT RATE
14.2%
23 flagged

Routes flown

By count · last 90 days

10
KPAO → KSFO
6
avg 1h 2m · Palo Alto Airport of Santa Clara County → San Francisco
KPAO → KOAK
4
avg 1h 28m · Palo Alto Airport of Santa Clara County → Metropolitan Oakland
KPAO → KVCB
3
avg 1h 14m · Palo Alto Airport of Santa Clara County → Nut Tree
KPAO → KTCY
3
avg 56m · Palo Alto Airport of Santa Clara County → Tracy
KPAO → KHWD
3
avg 1h 4m · Palo Alto Airport of Santa Clara County → Hayward Executive
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
KTCY → KPAO
2
avg 56m · Tracy → Palo Alto Airport of Santa Clara County
KPAO → KSNS
2
avg 1h 13m · Palo Alto Airport of Santa Clara County → Salinas
KF72 → KPAO
2
avg 1h 2m · Franklin Field → Palo Alto Airport of Santa Clara County

Aircraft types

Equipment used on this number

1
C172 CESSNA Cessna Skyhawk 172/Cutlass
164

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
23
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
→
08/22/2026
48m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/22/2026
1h 3m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/19/2026
1h 43m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/18/2026
2h 41m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/18/2026
22m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/17/2026
1h 3m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/17/2026
41m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/17/2026
53m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/17/2026
34m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/17/2026
1h 17m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/17/2026
41m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/16/2026
4m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/16/2026
1h 9m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/15/2026
1h 47m
△ Low approach-stability score
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/14/2026
2h 12m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/13/2026
1h 49m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/12/2026
2m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/12/2026
1h 11m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/12/2026
1h 31m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/12/2026
41m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/11/2026
1h 2m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/10/2026
38m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/10/2026
1h 12m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/10/2026
1h 8m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/10/2026
2h 51m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/08/2026
3h 8m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/03/2026
49m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/02/2026
1h 38m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/02/2026
55m
No alerts
Replay Analysis
N1004ECESSNA Cessna Skyhawk 172/Cutlass
→
08/02/2026
56m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window