Flight Status & Tracker

BYF31

CHRISTIANSEN AVIATION LLC · KTCY → SQL · Last tracked Oct 11, 2026

BYF31 is a flight number operated by CHRISTIANSEN AVIATION LLC between Tracy Municipal Airport (KTCY) and San Carlos Airport (KSQL). SkyMeter last tracked BYF31 on October 11, 2026. The flight is most often flown by a CESSNA Cessna Skyhawk 172/Cutlass. Typical block time is 1h 4m. SkyMeter has observed 221 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
221
last 90 days
⏱
AVG DURATION
1h 4m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/11/2026
first → last seen
🗺
ROUTES / TYPES
72 / 1
city pairs · airframes
⚠
INCIDENT RATE
7.2%
16 flagged

Routes flown

By count · last 90 days

10
6
avg 1h 9m · San Carlos → Tracy
6
avg 53m · Tracy → San Carlos
6
avg 54m · San Carlos → Hayward Executive
4
avg 49m · Salinas → San Carlos
4
avg 59m · San Carlos → Stockton Metropolitan
3
avg 1h 25m · San Carlos → Metropolitan Oakland
3
avg 31m · Livermore → San Carlos
3
avg 1h 2m · San Carlos → Livermore
3
avg 1h 36m · Paso Robles → San Carlos
3
avg 1h 2m · San Carlos → Half Moon Bay

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
16
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
10/8/2026
21m
△ Low approach-stability score
10/8/2026
1h 13m
△ Low approach-stability score
10/1/2026
1h 12m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window