BYF31 is operated by CHRISTIANSEN AVIATION LLC between San Carlos Airport (KSQL) and Tracy Municipal Airport (KTCY). The flight is most often flown by a CESSNA Cessna Skyhawk 172/Cutlass. Typical block time is 1h 0m. SkyMeter has observed 221 legs of this flight number via ADS-B.

✈
FLIGHTS
221
last 90 days
⏱
AVG DURATION
1h 0m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/05/2026
first → last seen
🗺
ROUTES / TYPES
45 / 1
city pairs · airframes
⚠
INCIDENT RATE
8.1%
18 flagged

Routes flown

By count · last 90 days

10
KSQL → KTCY
14
avg 51m · San Carlos → Tracy
KTCY → KSQL
12
avg 46m · Tracy → San Carlos
KSCK → KSQL
6
avg 55m · Stockton Metropolitan → San Carlos
KSQL → KCCR
5
avg 56m · San Carlos → Buchanan Field
KCCR → KSQL
5
avg 54m · Buchanan Field → San Carlos
KLVK → KSQL
4
avg 1h 8m · Livermore → San Carlos
KSQL → KHWD
3
avg 1h 13m · San Carlos → Hayward Executive
KSQL → KSCK
3
avg 52m · San Carlos → Stockton Metropolitan
KMRY → KSQL
3
avg 53m · Monterey Peninsula → San Carlos
KSQL → KSTS
2
avg 1h 25m · San Carlos → Charles M. Schulz Sonoma County

Aircraft types

Equipment used on this number

1
C172 CESSNA Cessna Skyhawk 172/Cutlass
221

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
18
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 BYF31

30
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/05/2026
47m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/03/2026
35m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/03/2026
58m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/03/2026
1h 46m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/03/2026
58m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/02/2026
36m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/02/2026
1h 9m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/02/2026
22m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/02/2026
31m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
38m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
38m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
57m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
57m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
1h 22m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
1h 22m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
1h 6m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
07/01/2026
1h 6m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/30/2026
46m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/30/2026
1h 32m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/29/2026
2h 3m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/29/2026
1h 28m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/29/2026
1h 33m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/28/2026
1h 27m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/28/2026
1h 6m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/28/2026
52m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/27/2026
1h 52m
△ Unstable approach
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/26/2026
33m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/26/2026
51m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/26/2026
1h 11m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
06/25/2026
1h 10m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window