GJS4559 is operated by SKYWEST AIRLINES INC between Louisville Muhammad Ali International Airport (KSDF) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a CANADAIR canadair CRJ-700. Typical block time is 1h 15m. SkyMeter has observed 48 legs of this flight number via ADS-B.

✈
FLIGHTS
48
last 90 days
⏱
AVG DURATION
1h 15m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 06/28/2026
first → last seen
🗺
ROUTES / TYPES
11 / 1
city pairs · airframes
⚠
INCIDENT RATE
10.4%
5 flagged

Routes flown

By count · last 90 days

9
KSDF → KORD
8
avg 1h 12m · Louisville Muhammad Ali → Chicago O'Hare
KIAD → KBUF
6
avg 1h 4m · Washington Dulles → Buffalo Niagara
KZ15 → KORD
5
avg 1h 31m · Adams Field Heliport → Chicago O'Hare
KORD → KSDF
5
avg 1h 4m · Chicago O'Hare → Louisville Muhammad Ali
KLIT → KORD
4
avg 1h 31m · Bill & Hillary Clinton National Airport/Adams Field → Chicago O'Hare
AR62 → KORD
3
avg 1h 35m · Arkansas Children's Hospital Heliport → Chicago O'Hare
KIAD → KORF
3
avg 50m · Washington Dulles → Norfolk
KPIA → KORD
1
avg 41m · General Wayne A. Downing Peoria → Chicago O'Hare
KLIT → KDAY
1
avg 2h 1m · Bill & Hillary Clinton National Airport/Adams Field → James M Cox Dayton

Aircraft types

Equipment used on this number

1
CRJ7 CANADAIR canadair CRJ-700
57

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 GJS4559

30
N557GJCANADAIR canadair CRJ-700
→
06/28/2026
57m
No alerts
Replay Analysis
N503GJCANADAIR canadair CRJ-700
→
06/27/2026
51m
No alerts
Replay Analysis
N540GJCANADAIR canadair CRJ-700
→
06/26/2026
1h 29m
No alerts
Replay Analysis
N569GJCANADAIR canadair CRJ-700
→
06/25/2026
50m
No alerts
Replay Analysis
N548GJCANADAIR canadair CRJ-700
→
06/21/2026
1h 13m
No alerts
Replay Analysis
N526GJCANADAIR canadair CRJ-700
→
06/19/2026
1h 3m
No alerts
Replay Analysis
N516GJ
→
06/14/2026
1h 5m
No alerts
Replay Analysis
N511GJCANADAIR canadair CRJ-700
→
06/12/2026
1h 0m
No alerts
Replay Analysis
N576GJCANADAIR canadair CRJ-700
→
06/07/2026
1h 3m
No alerts
Replay Analysis
N561GJCANADAIR canadair CRJ-700
→
06/05/2026
59m
No alerts
Replay Analysis
N551GJCANADAIR canadair CRJ-700
→
05/24/2026
1h 15m
No alerts
Replay Analysis
N580GJCANADAIR canadair CRJ-700
→
05/21/2026
1h 5m
No alerts
Replay Analysis
N552GJCANADAIR canadair CRJ-700
→
05/19/2026
1h 24m
No alerts
Replay Analysis
N551GJCANADAIR canadair CRJ-700
→
05/18/2026
1h 9m
No alerts
Replay Analysis
N520GJCANADAIR canadair CRJ-700
→
05/16/2026
1h 5m
No alerts
Replay Analysis
N526GJCANADAIR canadair CRJ-700
→
05/15/2026
1h 15m
No alerts
Replay Analysis
N526GJCANADAIR canadair CRJ-700
→
05/14/2026
1h 9m
No alerts
Replay Analysis
N507GJCANADAIR canadair CRJ-700
→
05/12/2026
57m
No alerts
Replay Analysis
N507GJCANADAIR canadair CRJ-700
→
05/11/2026
8m
No alerts
Replay Analysis
N507GJCANADAIR canadair CRJ-700
→
05/11/2026
1h 5m
No alerts
Replay Analysis
N579GJCANADAIR canadair CRJ-700
→
05/11/2026
1h 20m
No alerts
Replay Analysis
N566GJCANADAIR canadair CRJ-700
→
05/09/2026
5m
No alerts
Replay Analysis
N566GJCANADAIR canadair CRJ-700
→
05/09/2026
1h 9m
No alerts
Replay Analysis
N541GJCANADAIR canadair CRJ-700
→
05/08/2026
1h 5m
No alerts
Replay Analysis
N542GJCANADAIR canadair CRJ-700
→
05/02/2026
1h 2m
No alerts
Replay Analysis
N542GJCANADAIR canadair CRJ-700
→
05/01/2026
13m
No alerts
Replay Analysis
N542GJCANADAIR canadair CRJ-700
→
05/01/2026
1h 15m
No alerts
Replay Analysis
N562GJCANADAIR canadair CRJ-700
→
04/30/2026
41m
No alerts
Replay Analysis
N579GJCANADAIR canadair CRJ-700
→
04/30/2026
1h 23m
△ Unstable
Replay Analysis
N511GJCANADAIR canadair CRJ-700
→
04/29/2026
1h 25m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window