Apparatus

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flight_takeoff Flight

BYF21

Operated by BYF

Live map

Live map filtered to BYF21. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SQL KSQL VFR

San Carlos Airport

San Carlos, US

Local time
15:57 PDT
Timezone
America/Los_Angeles
Type
Medium Airport
Elevation
5 ft
Coordinates
37.5131, -122.2508

cloud Weather

Wind
350° / 6 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
23°C / 3°C
Altimeter
29.96 inHg

Obs: 2026-04-18T21:47:00.000Z

Raw METAR 
METAR KSQL 182147Z 35006KT 10SM CLR 23/03 A2996

flight Live Traffic

flight_takeoff 2 Departures
flight_land 2 Arrivals

Arrival

APC KAPC VFR

Napa County Airport

Napa, US

Local time
15:57 PDT
Timezone
America/Los_Angeles
Type
Small Airport
Elevation
35 ft
Coordinates
38.2132, -122.2810

cloud Weather

Wind
220° / 5 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
23°C / 5°C
Altimeter
29.95 inHg

Obs: 2026-04-18T21:54:00.000Z

Raw METAR / TAF 
METAR KAPC 182154Z 22005KT 10SM CLR 23/05 A2995 RMK AO2 SLP134 T02330050

TAF KAPC 181720Z 1818/1918 VRB03KT P6SM SCT200 FM182100 21010KT P6SM BKN200 FM190400 VRB04KT P6SM BKN200

flight Live Traffic

flight_takeoff 13 Departures
flight_land 3 Arrivals

Recent history last 8

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-18 A1CFC2 SQL → APC Apr 18, 20:45 UTCApr 18, 21:15 UTC30m - -
2026-04-18 A1CFC2 - Apr 18, 18:05 UTCApr 18, 18:20 UTC15m - -
2026-04-18 A1CFC2 - Apr 18, 17:50 UTCApr 18, 18:00 UTC10m - -
2026-04-16 A1CFC2 - Apr 16, 23:20 UTCApr 16, 23:50 UTC30m - -
2026-04-16 A1CFC2 - Apr 16, 23:00 UTCApr 16, 23:10 UTC10m - -
2026-04-16 A1CFC2 SQL → SQL Apr 16, 17:15 UTCApr 16, 18:25 UTC1h 10m - -
2026-04-15 A1CFC2 - Apr 15, 21:25 UTCApr 15, 21:50 UTC25m - -
2026-04-15 A1CFC2 - Apr 15, 02:00 UTCApr 15, 02:35 UTC35m - -

Performance history

Flights tracked
8
Avg arrival delay
-
On-time arrival
-
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
April 2026 8

BYF21 frequently asked

Where does flight BYF21 fly?
BYF21 (BYF) flies from SQL to APC. View the full route page.
How long is flight BYF21?
Based on observed flights, BYF21 takes on average 28m from takeoff to landing.
How often does BYF21 fly?
BYF21 has been observed flying occasionally in our tracking data. We've recorded 8 flights under this callsign.
Can I track BYF21 live?
Yes. When BYF21 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.