BYF31 is operated by CHRISTIANSEN AVIATION LLC between Tracy Municipal Airport (KTCY) and San Carlos Airport (KSQL). The flight is most often flown by a CESSNA Cessna Skyhawk 172/Cutlass. Typical block time is 1h 3m. SkyMeter has observed 231 legs of this flight number via ADS-B.

✈
FLIGHTS
231
last 90 days
⏱
AVG DURATION
1h 3m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/24/2026
first → last seen
🗺
ROUTES / TYPES
83 / 1
city pairs · airframes
⚠
INCIDENT RATE
7.4%
17 flagged

Routes flown

By count · last 90 days

10
KSQL → KTCY
9
avg 56m · San Carlos → Tracy
KTCY → KSQL
9
avg 55m · Tracy → San Carlos
KSCK → KSQL
5
avg 1h 6m · Stockton Metropolitan → San Carlos
KSQL → KSCK
5
avg 59m · San Carlos → Stockton Metropolitan
KSQL → KHWD
4
avg 52m · San Carlos → Hayward Executive
KLVK → KSQL
3
avg 1h 8m · Livermore → San Carlos
KSQL → KSTS
3
avg 1h 29m · San Carlos → Charles M. Schulz Sonoma County
KMRY → KSQL
3
avg 58m · Monterey Peninsula → San Carlos
KSQL → KLVK
3
avg 58m · San Carlos → Livermore
KSQL → KO69
2
avg 55m · San Carlos → Petaluma

Aircraft types

Equipment used on this number

1
C172 CESSNA Cessna Skyhawk 172/Cutlass
243

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
17
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
→
08/24/2026
47m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/24/2026
1h 9m
△ Low approach-stability score
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/24/2026
1h 31m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/24/2026
38m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/24/2026
50m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/24/2026
48m
△ Low approach-stability score
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/23/2026
1h 53m
△ Low approach-stability score
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/23/2026
1h 5m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/23/2026
28m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/23/2026
51m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/23/2026
1h 37m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/23/2026
41m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/22/2026
1h 19m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/22/2026
29m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/21/2026
16m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/21/2026
1h 2m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/19/2026
1h 0m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/19/2026
25m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/19/2026
1h 19m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/18/2026
1h 17m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/18/2026
1h 12m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/17/2026
1h 26m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/17/2026
47m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/15/2026
1h 15m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/15/2026
1h 10m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/14/2026
1h 36m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/14/2026
1h 20m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/13/2026
39m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/13/2026
36m
No alerts
Replay Analysis
N63251CESSNA Cessna Skyhawk 172/Cutlass
→
08/13/2026
1h 6m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window