Flight Status & Tracker

521AA

ONE ALPHA ALPHA LLC · APC → SBA · Last tracked Sep 26, 2026

521AA is a flight number operated by ONE ALPHA ALPHA LLC between Napa County Airport (KAPC) and Santa Barbara Municipal Airport (KSBA). SkyMeter last tracked 521AA on September 25, 2026. The flight is most often flown by a CESSNA Cessna CitationJet/CJ1. Typical block time is 1h 31m. SkyMeter has observed 5 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
5
last 90 days
⏱
AVG DURATION
1h 31m
tracked time
📅
SERVICE PERIOD
2/4/2026 → 9/26/2026
first → last seen
🗺
ROUTES / TYPES
5 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
1
avg 53m · Napa County → Santa Barbara
1
avg 1h 1m · Santa Barbara → Napa County
1
avg 1h 57m · Gallatin Field → Truckee Tahoe
1
avg 2h 49m · San Francisco → Gallatin Field
1
avg 58m · Napa County → San Francisco

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
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 23 operations of 521AA

23
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window