N309KB is operated by 1637 N WARSON AVIATION LLC between Chicago Midway International Airport (KMDW) and Spirit of St Louis Airport (KSUS). The flight is most often flown by a CANADAIR Canadair Challenger 600/601/604. Typical block time is 2h 3m. SkyMeter has observed 24 legs of this flight number via ADS-B.

FLIGHTS
24
last 90 days
AVG DURATION
2h 3m
tracked time
📅
SERVICE PERIOD
06/05/2025 → 07/30/2026
first → last seen
🗺
ROUTES / TYPES
21 / 1
city pairs · airframes
INCIDENT RATE
8.3%
2 flagged

Routes flown

By count · last 90 days

10
2
avg 47m · Chicago Midway → Spirit of St Louis
2
avg 3h 41m · Boeing Field King County → Spirit of St Louis
1
avg 36m · Council Bluffs → Des Moines
1
avg 1h 14m · Spirit of St Louis → Flying Cloud
1
avg 3h 18m · Rosecrans → Boeing Field King County
1
avg 50m · Spirit of St Louis → Council Bluffs
1
avg 34m · Mosaic Life Care Heliport → Spirit of St Louis
1
avg 3h 1m · Witham Field → Spirit of St Louis
1
avg 1h 2m · Eppley Airfield → Chicago Midway
1
avg 2h 17m · Washington Dulles → Rosecrans

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 N309KB

30
06/17/2026
33m
△ Low approach-stability score
06/06/2026
2h 34m
△ Low approach-stability score
06/06/2026
7h 48m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window