TWY70

N157BC LLC · PWK → GYY

TWY70 is operated by N157BC LLC between Chicago Executive Airport (KPWK) and Gary Chicago International Airport (KGYY). The flight is most often flown by a GULFSTREAM AEROSPACE Gulfstream IV/G400. Typical block time is 1h 34m. SkyMeter has observed 37 legs of this flight number via ADS-B.

✈
FLIGHTS
37
last 90 days
⏱
AVG DURATION
1h 34m
tracked time
📅
SERVICE PERIOD
05/31/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
22 / 1
city pairs · airframes
⚠
INCIDENT RATE
8.1%
3 flagged

Routes flown

By count · last 90 days

10
KPWK → KGYY
6
avg 15m · Chicago Executive → Gary Chicago
KGYY → KPWK
5
avg 17m · Gary Chicago → Chicago Executive
KGYY → KORD
2
avg 13m · Gary Chicago → Chicago O'Hare
KPWK → KBZN
2
avg 2h 50m · Chicago Executive → Gallatin Field
KBZN → KPWK
2
avg 2h 16m · Gallatin Field → Chicago Executive
KAPA → KPWK
2
avg 1h 58m · Centennial → Chicago Executive
KBZN → KPWM
1
avg 3h 35m · Gallatin Field → Portland International Jetport
KTTN → KPWK
1
avg 1h 50m · Trenton Mercer → Chicago Executive
KHTO → KPWK
1
avg 1h 59m · East Hampton → Chicago Executive
KPWK → KSTL
1
avg 47m · Chicago Executive → St Louis Lambert

Aircraft types

Equipment used on this number

1
GLF4 GULFSTREAM AEROSPACE Gulfstream IV/G400
47

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 TWY70

30
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/20/2026
13m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/18/2026
47m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/18/2026
16m
↘ Diverted (inferred)
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/10/2026
12m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/10/2026
1h 59m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/07/2026
1h 40m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/07/2026
15m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/05/2026
18m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/05/2026
1h 19m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/04/2026
51m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/04/2026
2h 11m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/02/2026
2h 42m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
08/02/2026
22m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/29/2026
15m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/29/2026
2h 21m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/26/2026
1h 35m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/25/2026
4h 46m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/25/2026
3h 11m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/25/2026
2h 29m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/24/2026
3h 34m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/24/2026
1h 3m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/20/2026
2h 58m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/20/2026
1h 49m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/19/2026
1h 30m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/18/2026
1h 58m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/15/2026
1h 56m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/15/2026
13m
△ Low approach-stability score
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/08/2026
15m
△ Low approach-stability score
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/08/2026
27m
No alerts
Replay Analysis
N771LGULFSTREAM AEROSPACE Gulfstream IV/G400
→
07/01/2026
15m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window