Flight Status & Tracker

N139CS

CHEYENNE FLIGHT GROUP LLC · KMMK → HVN · Last tracked Oct 8, 2026

N139CS is a flight number operated by CHEYENNE FLIGHT GROUP LLC between Meriden Markham Municipal Airport (KMMK) and Tweed New Haven Airport (KHVN). SkyMeter last tracked N139CS on October 8, 2026. The flight is most often flown by a PIPER Piper Cheyenne 2. Typical block time is 0h 52m. SkyMeter has observed 24 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
24
last 90 days
⏱
AVG DURATION
52m
tracked time
📅
SERVICE PERIOD
6/16/2025 → 10/8/2026
first → last seen
🗺
ROUTES / TYPES
19 / 1
city pairs · airframes
⚠
INCIDENT RATE
12.5%
3 flagged

Routes flown

By count · last 90 days

10
4
avg 6m · Meriden Markham → Tweed New Haven
3
avg 8m · Tweed New Haven → Meriden Markham
4C3 → KMHT
1
avg 29m · Yalesville Heliport → Manchester-Boston
1
avg 13m · Meriden-Wallingford Hospital Heliport → Tweed New Haven
1
avg 2h 20m · Tweed New Haven → Oakland County
1
avg 27m · Somerset → Tweed New Haven
1
avg 35m · Manchester-Boston → Meriden Markham
1
avg 30m · Tweed New Haven → Somerset
KMMK → W00
1
avg 2h 11m · Meriden Markham → Freeway
1
avg 1h 8m · Oakland County → Door County Cherryland

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 N139CS

30
9/14/2026
30m
△ Low approach-stability score
9/10/2026
28m
△ Low approach-stability score
8/5/2026
2h 10m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window