N644EM is operated by AIR 1ST AVIATION COMPANIES OF OKLAHOMA INC between De Leon Municipal Airport (04F) and Stephenville Clark Regional Airport (KSEP). The flight is most often flown by a MITSUBISHI Mitsubishi Marquise/Solitaire. Typical block time is 1h 22m. SkyMeter has observed 9 legs of this flight number via ADS-B.

✈
FLIGHTS
9
last 90 days
⏱
AVG DURATION
1h 22m
tracked time
📅
SERVICE PERIOD
06/26/2025 → 06/25/2026
first → last seen
🗺
ROUTES / TYPES
6 / 1
city pairs · airframes
⚠
INCIDENT RATE
11.1%
1 flagged

Routes flown

By count · last 90 days

3
04F → KSEP
1
avg 6m · De Leon → Stephenville Clark
US-0524 → KTDW
1
avg 7m · J & H → Tradewind
KSEP → KFTW
1
avg 19m · Stephenville Clark → Fort Worth Meacham

Aircraft types

Equipment used on this number

1
MU2 MITSUBISHI Mitsubishi Marquise/Solitaire
13

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 20 operations of N644EM

20
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
07/13/2026
9m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
07/12/2026
1h 3m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
07/12/2026
5h 5m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
07/12/2026
1h 7m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/25/2026
8h 44m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/25/2026
7m
△ Low approach-stability score
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/15/2026
41m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/13/2026
30m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/05/2026
59m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/04/2026
18m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/04/2026
5m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/04/2026
13m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/04/2026
41m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
01/12/2026
50m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
11/18/2025
25m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
10/15/2025
9m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
09/12/2025
26m
△ Low approach-stability score
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
09/12/2025
25m
△ Low approach-stability score
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/26/2025
24m
No alerts
Replay Analysis
N644EMMITSUBISHI Mitsubishi Marquise/Solitaire
→
06/26/2025
37m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window