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 90 legs of this flight number via ADS-B.

✈
FLIGHTS
90
last 90 days
⏱
AVG DURATION
1h 33m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/16/2026
first → last seen
🗺
ROUTES / TYPES
78 / 1
city pairs · airframes
⚠
INCIDENT RATE
5.6%
5 flagged

Routes flown

By count · last 90 days

10
KMDW → KJWN
2
avg 1h 4m · Chicago Midway → John C Tune
CYYJ → KBFI
1
avg 46m · Victoria → Boeing Field King County
KZ15 → KALN
1
avg 49m · Adams Field Heliport → St Louis
KTTN → KOPF
1
avg 2h 30m · Trenton Mercer → Miami-Opa Locka Executive
KJWN → KLEX
1
avg 35m · John C Tune → Blue Grass
KALN → 60TE
1
avg 1h 36m · St Louis → Tierra Linda Ranch
KJWN → KBJC
1
avg 2h 36m · John C Tune → Rocky Mountain Metropolitan
WS36 → KISW
1
avg 10m · Swan Field → Alexander Field South Wood County
K09J → KBLV
1
avg 1h 35m · Jekyll Island → Scott AFB/Midamerica
KBFI → KMKE
1
avg 3h 15m · Boeing Field King County → General Mitchell

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
5
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
→
08/17/2026
39m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/16/2026
2h 42m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/16/2026
2h 2m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/16/2026
36m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/16/2026
1h 8m
△ Low approach-stability score
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/16/2026
4h 0m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/16/2026
10m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/15/2026
19m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/15/2026
3h 41m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/15/2026
36m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/14/2026
21m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/14/2026
3h 43m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/14/2026
48m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/13/2026
1h 6m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/12/2026
2h 19m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/11/2026
3h 40m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/11/2026
1h 27m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/10/2026
3h 15m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/10/2026
1h 46m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/02/2026
45m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
08/02/2026
4h 28m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/31/2026
1h 57m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/31/2026
1h 7m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/31/2026
1h 15m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/31/2026
27m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/30/2026
7m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/30/2026
48m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/30/2026
3h 6m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/24/2026
20m
No alerts
Replay Analysis
N420PDDASSAULT Dassault Falcon 900
→
07/24/2026
2h 30m
↘ Diverted (inferred)
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window