JTL420

KMS AIR LLC · MDW → KJWN

JTL420 is operated by KMS AIR LLC between Chicago Midway International Airport (KMDW) and John C Tune Airport (KJWN). The flight is most often flown by a DASSAULT Dassault Falcon 900. Typical block time is 1h 33m. SkyMeter has observed 91 legs of this flight number via ADS-B.

✈
FLIGHTS
91
last 90 days
⏱
AVG DURATION
1h 33m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
80 / 1
city pairs · airframes
⚠
INCIDENT RATE
4.4%
4 flagged

Routes flown

By count · last 90 days

10
KMDW → KJWN
2
avg 1h 4m · Chicago Midway → John C Tune
KTYS → KIAD
1
avg 1h 4m · McGhee Tyson → Washington Dulles
KJWN → KLEX
1
avg 35m · John C Tune → Blue Grass
KPSP → KIAD
1
avg 4h 57m · Palm Springs → Washington Dulles
KJWN → KBJC
1
avg 2h 36m · John C Tune → Rocky Mountain Metropolitan
K09J → KBLV
1
avg 1h 35m · Jekyll Island → Scott AFB/Midamerica
KMKC → KCOS
1
avg 1h 15m · Charles B. Wheeler Downtown → City of Colorado Springs
KPWK → KHPN
1
avg 1h 30m · Chicago Executive → Westchester County
KTEB → KFOK
1
avg 28m · Teterboro → Francis S Gabreski
KHPN → KBED
1
avg 32m · Westchester County → Laurence G Hanscom Field

Aircraft types

Equipment used on this number

1
F900 DASSAULT Dassault Falcon 900
95

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
4
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 JTL420

30
N420PDDASSAULT Dassault Falcon 900
→
07/19/2026
3h 38m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/18/2026
2h 38m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/18/2026
39m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/18/2026
40m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/17/2026
2h 29m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/17/2026
45m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/16/2026
1h 14m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/16/2026
1h 8m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/16/2026
1h 15m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/16/2026
2h 15m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/15/2026
54m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/15/2026
2h 53m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/15/2026
24m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/14/2026
3h 45m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/14/2026
1h 16m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/10/2026
2h 57m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/09/2026
37m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/09/2026
1h 41m
△ Low approach-stability score
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/08/2026
48m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/05/2026
48m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/05/2026
1h 43m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/04/2026
1h 51m
△ Low approach-stability score
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/04/2026
22m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/02/2026
18m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/02/2026
44m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/02/2026
24m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/01/2026
21m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/01/2026
44m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
06/30/2026
40m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
06/27/2026
1h 6m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window