GJS4539

UNITED AIRLINES INC · PWM EWR

GJS4539 is operated by UNITED AIRLINES INC between Portland International Jetport (KPWM) and Newark Liberty International Airport (KEWR). The flight is most often flown by a CANADAIR canadair CRJ-700. Typical block time is 1h 10m. SkyMeter has observed 15 legs of this flight number via ADS-B.

FLIGHTS
15
last 90 days
AVG DURATION
1h 10m
tracked time
📅
SERVICE PERIOD
06/01/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
5 / 1
city pairs · airframes
INCIDENT RATE
6.7%
1 flagged

Routes flown

By count · last 90 days

5
9
avg 1h 13m · Portland International Jetport → Newark Liberty
2
avg 48m · Washington Dulles → Norfolk
2
avg 1h 10m · Newark Liberty → Buffalo Niagara
1
avg 58m · Buffalo Niagara → Washington Dulles
KEWR 9G0
1
avg 1h 44m · Newark Liberty → Buffalo Airfield

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 GJS4539

30
06/27/2026
1h 5m
△ Low approach-stability score
06/16/2026
1h 7m
No alerts
06/03/2026
1h 12m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window